Why does ovulation increase the temperature and how should it be normal


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During pregnancy planning, it is important not to miss a significant day for conception, so you need to know when ovulation occurs. The basal temperature at this moment naturally rises. And then a number of questions arise: what should be the temperature of the body during ovulation, and whether a sharp increase in body temperature is normal.

What does our body mean?

When ovulation occurs, it is easy to determine by basal temperature. But, if you measure body temperature, then it is almost impossible to establish the time of ovulation, as the thermometer under your arm will not show changes.

However, after ovulation, before the start of menstruation, body temperature may increase slightly. This time is characterized by a high probability of conception. It is considered normal if the body temperature after maturation of the egg does not exceed 37 o C.

The cause of temperature jumps is the growth of hormones.

According to doctors, to notice the fluctuations in body temperature during ovulation, it is necessary to purchase a special thermometer, which is characterized by divisions of 0.1 degrees, since differences can be quite insignificant. And the usual thermometer will not demonstrate such changes.

A slightly noticeable rise in the mercury column is manifested at the very peak of ovulation to 0.5 o C. And at the beginning of this phase, the body temperature is slightly lower.

From time to time the female body undergoes temperature changes, it is possible that this is not at all ovulation, but other reasons.

Temperature 37 ° C and above without cold symptoms:

  • infection,
  • inflammatory processes
  • oncological diseases,
  • endocrine system diseases
  • changes in hormonal levels (possibly ovulation, the onset of pregnancy),
  • reaction to some medications (antibiotics, prophylactic vaccinations).

The list of probable factors may scare the expectant mother. But the list is presented for reference only. Based on the symptoms, it is impossible to understand why a woman’s body exhibits temperature fluctuations.

When pregnancy is planned, the girl should visit the gynecologist, especially if you have problems with conception. In addition, she is obliged to undergo a preventive examination, it is possible that there is an infection in the body, from which it is better to get rid before pregnancy.

What should be the temperature during ovulation

There is such a thing - basal body temperature. It shows the minimum temperature of a person’s body during rest, primarily sleep.

All she about the sameHowever, in women during ovulation, this indicator is above the norm by an average of 0.3-0.5 ° C. This is what helps to detect the moment of release of the egg, and therefore successfully conceive a child when planning.

Measurements are taken mouth, vagina and rectum. For scheduling data are taken only from the rectum, which is associated with female physiology, and more precisely with the blood supply to the ovaries.

Measurement rules

To obtain accurate data, measurements should be taken correctly, as other factors influence the results. Consider the main rules:

  • As a starting point of the measurement, it is better to choose the first day of the menstrual cycle.
  • Temperature measurement is carried out immediately after waking up from the sleep, in the rectum (rectally).
  • Before measuring a person must sleep for at least 6 hours.
  • It is advisable to measure the temperature at the same time every day and in the same body position (deviation no more than 30 minutes).
  • Before measuring, you should not take a shower, go to the toilet and generally show physical activity (I stuck it in - measured the temperature).
  • The measurement time is about 8 minutes.
  • You can use an electric and mercury thermometer, however, preference is better to give the latter (less risk of error).
  • All results should be recorded in a notebook, it is not recommended to skip measurements.
  • It does not make sense to measure temperature in case of catarrhal or infectious diseases, in case of sleep disturbance, stress, depression, change of climate zone or overwork.
  • The reliability of the results is negatively affected by the following factors: hormonal drugs, contraceptives and sedatives, as well as alcohol and drugs.
  • Having sex late at night can also affect the temperature.

How to build a graph

It is necessary to take a piece in the box. The axes X (abscissa) and Y (ordinates) are drawn on it. Each cell along the axes is marked as one division. X is days; Y is a temperature of 0.1 ° C. The reference temperature is taken at 36.0 ° C for convenience. One chart will reflect one monthly cycle..

You should also draw a line. at 37 ° C parallel to the x-axis (X). This is the ultimate indicator of temperature, all that is higher is considered pathology. Further points are plotted on the chart, each day opposite the recorded temperature. At the end of the month the points are connected.

The result will be a graph that is visually divided into two parts, showing the phases of low and high temperatures. It looks like this:

At the beginning of the cycle, the figures are around 36.6-36.8 ° C. Further, from the first day of menstruation, the temperature should normally decrease by 0.2-0.5 ° C.

Duration of one phase makes 10-20 days. Phases determine the duration of the cycles. The graph clearly shows the start of ovulation - the temperature rises sharply. This means the egg has matured and is ready to go outside.

Further organism starts to produce progesterone to start a possible pregnancy. The reproductive system is completely ready for conception. Due to this, the temperature rises even higher and is held “in standby mode” for several days. The difference in temperature at the beginning and end of ovulation should be about 0.4-0.5 ° C.

Then the temperature drops, and a new monthly cycle begins.

How to use

For greater likelihood of calculations temperature measurements should be taken and make schedules at least 3-4 months. Then they need to find common features that will help determine the most likely periods of ovulation in the future. This information will help not only to plan the best time for conception, but also the floor.

Usually the whole cycle lasts 28 days., and ovulation occurs on the 14th day. Most likely to get pregnant if you make the conception 12 hours before the start of ovulation.
Such a moment difficult to predict up to hours, which is why we need data for several months. Help in the analysis will be able to gynecologist.

If you believe the research, the conception of a girl should happen 48 hours before the release of the egg. This is due to the fact that spermatozoa with “girls” are more enduring and tenacious than with “boys”.

Rising temperatures and causes of abnormalities

Schedule can help detect various pathologies. For example, the temperature rise exceeded 37 ° C, there were sharp jumps or the graph did not show pronounced phases of ovulation and menstruation. All this testifies to some violations in the body.

Possible reasons for the deviation of temperature indicators can be:

  • Infectious processes.
  • Previous anal sex.
  • Poisoning (intoxication), for example, with alcohol.
  • Shifted stress.
  • Eating spicy or too salty foods.
  • Diarrhea.
  • Insomnia.
  • Taking sedatives.
  • Climate change zone.
  • Increased physical or psychological stress.
  • Rough sex on the eve.
  • Thermometer change.

Such moments need to notice and compare with the facts of life. This will help to eliminate the error in maintaining the schedule.

Possible cause deviations can be hormonal disorders in the body. In this case, there may be a schedule where there is no clear point of ovulation.

That is, the temperature throughout the monthly cycle remained almost unchanged (the deviation in this case is only 0.1-0.3 ° C). It meansthat the level of estrogen for some reason did not change, so the woman could not get pregnant.

When to see a doctor

Extremely important be able to understand the schedule and draw conclusions. The information obtained can help in the search for pathology, if you turn to a gynecologist.

Consider the situation when it is better to consult a doctor:

  • Before menstruation, the temperature rises, and then decreases sharply (there may be a shortage of progesterone).
  • Monthly delay, and the thermometer shows 37 ° C (risk of ovarian dysfunction).
  • Not very abundant menstruation with a rate above 37 ° C (possible ectopic pregnancy with the threat of miscarriage).

In general, there may be many different deviations, but not all of them indicate pathologies or abnormalities in the body. Various factors influence the basal temperature, and it is difficult to take them into account.

However, in any case, it is recommended to be safe and make a visit to the gynecologist.

A specialist will help you find a problem., and, if necessary, help get rid of it. The female reproductive system is vulnerable, so she needs constant monitoring and care, especially if she wants to have children in the future.

Basal temperature during ovulation

Basal temperature is a parameter characterizing body temperature in resting state. It is measured by the rectal method, daily, at the same time. The analysis is made in dynamics. For the procedure using a normal mercury or electronic thermometer. Manipulations are carried out immediately after waking up, before the woman gets out of bed.

Parameters vary, depending on phases of the menstrual cycle. This process is influenced by the level of hormones in the female body. In the follicular phase, the temperature is lowered due to the high level of estrogen and is within 36.2–36.5 degrees.

1-2 days before the release of the egg is observedpredovulatory decay"At 0.1–0.4 ° C of the average temperature of the first phase (the first days of the cycle are not taken into account). Immediately after the rupture of the follicle, the temperature rises by 0.4–0.6 degrees. This jump on the graph is pronounced. But minor deviations from these parameters are acceptable.

One of the main conditions for an ideal cycle is the difference in average temperatures between the follicular and luteal phases. should be more than 0.4 ° C. Along with changes in the schedule, a woman may notice the appearance of other signs on the eve of ovulation. These include the following:

    The appearance of mucous secretions in the form of egg white.

The chances of pregnancy a few days before and the day after ovulation are highest. By fixing the measurements, it is possible to determine whether conception has occurred. In this case will be celebrated implant recession approximately 5–12 days after fertilization. Then the scale of the graph will increase again.

How to decipher the schedule?

With result evaluation need to have an idea about the phases of the menstrual cycle. Follicular can vary in its duration from 7 to 22 days. It depends on the work of the hormonal system of a woman. Luteal is almost always 14 days +/- 2 days. For comfort graphics decoding you need to draw a line of ovulation, which conditionally divides it into two parts.

Next, we evaluate the general form of the scheme. In second phase of the cycle parameters should increase or stay elevated after ovulation. Before the onset of menstruation, they are systematically reduced. If conception occurred, the temperature remains high.

When does the temperature not rise during ovulation?

It happens that in the result of research can reveal the absence of ovulation. In this case, the rectal temperature does not rise in the second phase of the cycle.

Anovulatory cycles allowed up to 1-2 times per year and in healthy women. If this phenomenon is repeated more often, then we can talk about developing infertility. Panic ahead of time is not worth it. A more detailed examination is shown to the woman to help determine the cause of this phenomenon. To do this, the following procedures:

    Blood donation on hormone levelsin particular, progesterone.

The most common occurrence in which the graph scale does not increase in the second phase is ovarian dysfunction. There is a shortage of hormones, due to which the follicles do not grow properly. This phenomenon is caused by estrogen deficiency.

Sometimes there is another problem. When the dominant follicle does not burst, it develops into a cyst that causes monthly delay. In this case, in the second stage, there will be a decrease in the level of progesterone. Treatment involves taking hormonal drugs.

It should be borne in mind that a number of external factors may influence the measurement result. These include:

    The use of alcoholic beverages on the eve of measurements.

Information obtained in the process of observation should be recorded in a separate notebook or notebook. You can not miss a single day, because it will violate the integrity of the overall picture. Research based on basal temperature analysisrequire maximum precision of action and self-discipline. Violation of measurement rules may lead to an incorrect result.

The role of basal temperature in ovulation

Basal body temperature (BT) is an indicator of the functioning of internal organs, which is measured by the rectal method. With the help of graphing BT, you can determine the day on which ovulation occurs. This method is used during pregnancy planning and for the purpose of preservation by the calendar method.

Basal temperature responds to hormonal jumps, reflecting the work of the reproductive organs. Being aware of this connection, many women wonder if their body temperature can rise during ovulation. After all, it is also an important indicator in assessing the state of the body. With ovulation, body temperature may increase slightly. But this process does not have a significant impact on the well-being of women.

Measurement of basal temperature and compilation of a graph based on the data obtained is necessary in the following cases:

  • no pregnancy for more than one year
  • suspected hormonal disruption,
  • irregular menstrual cycle.

Basal temperature measurement is an important diagnostic procedure. Together with other methods for assessing the health of a woman, she helps to determine the following pathologies:

  • inflammatory diseases,
  • biochemical pregnancy
  • endometritis,
  • hormonal abnormalities
  • Anovulation.

Temperature 38

Whether the body temperature can increase during ovulation, it is necessary to know every woman who is monitoring her fertility with the help of a graph. Minor increases do not indicate pathological processes. If the index reaches 38 degrees Celsius, the cause may be an inflammatory process. In this case, you must consult a gynecologist and undergo a prescribed course of treatment. In order to eliminate inflammation in the pelvis prescribe anti-inflammatory drugs. If necessary, a woman is placed in a hospital.

BT 38 degrees is considered a deviation. It indicates the presence of serious diseases. Leaving this symptom without attention is highly undesirable. In rare cases, this indicator is the result of incorrect measurement or a faulty thermometer.

Body temperature during ovulation increases during the implantation period. On the graph, this process is manifested in a sharp jump in performance. At this time, the embryo implants in the uterus, which provokes a protective reaction of the body. Implantation in the middle of a cycle indicates early ovulation.

What do the data mean?

The temperature graph for ovulation is analyzed after 3 months of research. In the follicular phase of the cycle, numbers from 36.6 to 36.9 should appear on the graph. Immediately before the release of the egg, the temperature decreases by about 0.3 degrees. An important indicator in this period are the following signs:

  • increase in the volume of the mammary glands,
  • enhanced secretion, secretions become slimy and abundant,
  • increases sexual desire
  • there is heaviness in the ovaries,
  • improves the mood of a woman.

Thermometer readings can be used to determine if ovulation has occurred. With a successful scenario, the thermometer will show 37 degrees. This time is considered the most suitable for planning conception. Body temperature after ovulation increases by about 0.4 degrees. This is due to an increase in progesterone, which is synthesized by the corpus luteum. Low temperatures indicate a lack of a hormone that can prevent pregnancy.

If the implantation is successful, then the indicators may increase more. High temperatures persist throughout the first trimester of an interesting position. It is the result of the immune system. The body is weakened by the suppression of protective forces. If this did not happen, the body rejected the embryo.

With the help of the graph of BT, you can determine biochemical pregnancy. This is a condition in which a miscarriage occurs before a delay occurs. The temperature in the second phase of the cycle in this case will be increased. The woman may have the first signs of fertilization. For several reasons, pregnancy fails, which affects the basal temperature. On the graph you can see the decline in indicators immediately before the expected monthly. Кровянистые выделения в этом случае будут более интенсивными.

Does the temperature of the body during the release of the egg

Women rarely measure body temperature during ovulation, when there are no additional signs of illness. If you observe the behavior of the organism during the cycle, you can learn a lot of interesting things. For example, that the temperature before ovulation is lower, and after the release of the oocyte is higher.

In terms of axillary thermometry (that is, the usual changes in the armpit), the changes are not noticeable much. By measuring the basal temperature (i.e. in the rectum), it is possible to make sure that the values ​​change as the eggs come out. The difference between these indicators for the same woman can reach 1.5 ° C.

The menstrual cycle of a healthy girl has several periods. The current count begins with the bleeding and follicular phase. At this time, estrogens and a hormone that stimulates follicle growth are being actively produced. Biological substances do not affect the temperature, so the thermometer gives the standard values ​​familiar to the body. For all women, they are different.

For some, the rate is 36.0 ° C, and for others, 36.7 ° C. Thermometer indicators are influenced by external and internal factors: lack of sleep, worries, nutrition, bad habits, physical activity, and others. To measure the axillary temperature must be at least 6-9 minutes with a mercury thermometer. The speed of the electronic device depends on its model. In the morning the temperature is usually lower, and rises by evening. Therefore, measurements should be taken to evaluate biological processes at the same time.

Immediately before the release of the oocyte, the luteinizing hormone is produced. It affects the sex glands and starts the process of ovulation. When the egg leaves the ovary, there is a cardinal hormonal change. The concentration of FSH and LH is reduced and is replaced by the active production of gestagens. Increased temperature during ovulation may be an individual response to these biological processes. If the thermometer shows an armpit of 37, this can be a sign of ovulation.

If there are no additional complaints, there is no reason to be concerned. It is necessary to consult a doctor if the body temperature of 37 and above will last more than 2 weeks. If the indicator is 37.5 or higher, this indicates a disease and is not associated with the release of an egg.

At the same time, the lack of temperature rise under the arm does not mean that there was no ovulation. Only basal measurements are indicative.

Hyperthermia as a sign of conception

Gynecologists assert that a slightly elevated temperature after the release of an egg from the ovary should not be a cause for panic. As a rule, the thermometer does not exceed 37 ° C and does not cause discomfort. A woman may accidentally discover that she has a slightly increased axillary temperature. The cause is the production of the hormone of the second phase - progesterone.

After the follicle has opened, a temporary gland is formed in its place. The corpus luteum produces a hormone that has a relaxing effect on smooth muscles. It also regulates blood circulation and retains fluid in the tissues. The hormone of the second phase acts on the vegetative system, as a result of which the thermoregulation changes.

An increase in thermometer performance after ovulation occurs in all women of reproductive age after a cycle has been established, but the strength of the changes has different intensity. The temperature after ovulation lasts for 1-2 weeks. The maximum amount of progesterone in the body is noted at 6-8 days after the oocyte leaves the ovary. If conception did not take place, then the hormone levels gradually decline, after which a new cycle begins.

Implantation of a fertilized egg is accompanied by another jump in progesterone and minor changes in the values ​​of the thermometer. The secretory activity of the corpus luteum and the high concentration of the hormone of the second phase does not allow the temperature to drop. Therefore, overestimated values, which persist for more than two weeks, can be indirectly considered the first signs of pregnancy.

Gynecologists do not recommend to place high hopes on this symptom, since other circumstances may be the cause of hyperthermia. To make sure of your guesses, you need to wait for the delay of the next menstruation and make a pregnancy test.

Other causes of hyperthermia

Thermometer readings up to 37 ° C are considered normal. If a woman has an ovulation temperature and after it has a temperature of 36.9 ° C, this does not cause concern among the medical profession. As soon as the values ​​pass the permissible barrier, there is cause for concern. It should be noted that we are talking about the axillary body temperature, which is measured in the armpit. Basal indicators, as a rule, are always higher and have no diagnostic value when determining other pathologies.

The reason that the fever is maintained during ovulation may be:

  • infectious and inflammatory diseases of different localization,
  • cold,
  • intoxication of the body in case of poisoning,
  • indigestion,
  • medication,
  • increased physical exertion
  • stress and worries
  • chronic fatigue,
  • vegetative disturbances
  • neoplasms
  • sexual contact.

It is necessary to seek medical help if there are additional signs of the disease: abdominal pain, discharge of blood from the genital tract, nausea, weakness.

In women at the time of ovulation, ovarian apoplexy may occur. When opening the dominant follicle, the lining of the reproductive gland is damaged. This is accompanied by internal bleeding, fever and sometimes life threatening. Hyperthermia is a protective reaction of the body in response to pathology.

What is the basal temperature before ovulation?

At different periods of the menstrual cycle, the hormones of a woman are not the same. In the first phase, the hormone estrogen dominates, under the influence of which the basal temperature is kept low. This is necessary to create optimal conditions in which the next egg in line will mature and prepare for potential fertilization.

The average basal temperature in the first phase is 36.3-36.5 ° C. It can fluctuate up and down by one tenth of a degree throughout the entire first period of the follicular phase. Before ovulation, there is an increase in BT (and in some cases a slight decrease), and on the day of ovulation it reaches an average of 37.1-37.3 C. These data may differ in each individual case. The main thing is only the condition of a gap in terms between phases.

The lowered (more precisely normal, physiological) basal temperature is established at the beginning of each menstrual cycle and remains at such elevations until the onset of ovulation.

The initial stage of maturation of the egg

In all women, the menstruation process is completely individual. Therefore, the schedule of basal temperatures for each of the fair sex will look different. However, the period of ovulation almost always comes 2 weeks before the expected date of the next critical days. Therefore, the menstrual cycle can be divided into 3 main phases:

  • follicular period (before ovulation),
  • ovulatory stage (ovulation process),
  • luteal period of time (after ovulation).

The hormonal background of the girl will be absolutely not the same at different phases of her cycle. At the beginning of the process of maturation of the egg, the most effective hormone in the body of the fair sex is estrogen. Through its influence, body temperature drops significantly. Under such conditions, the egg can fully mature and prepare for a full-fledged fertilization process. In the first phase of the cycle, the average basal rate does not exceed 36.2-36.6ºС. Throughout the follicular period of time, this parameter may vary by 0.1 or 0.2 ° C.

Immediately before the process of maturation of the egg cell basal temperature in a woman's body, as a rule, increases. In some special cases, there is a slight decrease. At the time of ovulation, the temperature ranges from 37.2 to 37.4 ° C. However, it is important that in each individual case this parameter can differ significantly from the norm. At the beginning of each menstrual cycle in the girl's body, an indicator of normal physiological temperature is established. This parameter is preserved until the beginning of the maturation of the egg. On this day, a significant leap of the basal norm to the side of an increase occurs in the body of a woman, not less than 0.3ºС.

It is at this point that the mature egg is removed from the follicle and moves into the abdominal region. Here is her meeting with the sperm. The viability of such an egg does not exceed 24 hours, therefore, for ideal conception conditions, it is desirable that the male seed element be already in the above-mentioned place. Immediately at the time of the most favorable time for conception, the average basal temperature of a woman rises to the level of 37ºС.

The final stage of ovulation

An increased level of basal parameter in a woman may persist for a certain period of time. If this indicator has risen to a certain value in the period most suitable for fertilization, then, most likely, before the onset of menstruation, it will not go down. However, if the girl's period does not start, and the temperature level after this delay does not fall below 37.1-37.3ºС, then there is a very high probability of pregnancy. This fact should be paid special attention. If, after ovulation, the basal temperature does not drop for 17-18 days, then the possibility of a successful conception in this cycle is very high.

The difference of the above indicator in the period between the follicular and luteal phases should be not less than 0.5-0.6ºС. Experts say that only under this condition can we say that a woman has an egg maturation process. In the third stage of the menstrual cycle, the dominant hormone in the body of the fair sex is progesterone. After ovulation, it is this substance that increases the basal parameter. Under such conditions, the fertilized egg will be able to maintain its viability. During the first trimester of pregnancy, during the period of functioning of the corpus luteum, an increased level of basal temperature will remain in the woman's body. After this comes the moment of the final formation of the placenta.

In the process of measuring the basal parameter should follow certain rules. These measurements must be carried out at the same time interval. It is advisable to perform this process at the beginning of the day and on an empty stomach. Measure the temperature should be in a state of complete rest. It is not recommended that you abruptly get out of bed, and a woman’s sleep should be continuous and complete. Any slightest violation of the above rules can significantly affect the quality of the measured indicators.

Ovulation manifestations

The ovulatory phase is not a pathological condition, but is characterized by several signs, the presence of which allows to judge about its occurrence:

  • nagging or aching pain in the lower abdomen,
  • increasing the amount of cervical mucus,
  • increase in basal temperature during ovulation,
  • increased sense of smell,
  • increased sexual attraction.

Severe pain in the abdomen, discharge of an unusual color with an unpleasant odor, axillary temperature above 38 ° C, and other symptoms are manifestations of the disease.

It is necessary to pay attention to the appearance of weakness, nausea, vomiting, which can accompany a rise in temperature during and after ovulation.

A runny nose, sore throat combined with fever and general malaise are often signs of acute respiratory infection. With the onset of a feverish state, deterioration of well-being during ovulation, it is also worth remembering that chronic diseases can worsen at any stage of the menstrual cycle.

Temperature and ovulation

The classic method for obtaining data on basal temperature is rectal thermometry. When a diary is kept, it is necessary to record not only numbers, but also information about a violation of the registration regime (thermometry should be carried out at the same time, without getting out of bed), alcohol consumption, increased physical activity, and the use of drugs. If the basal temperature is measured in the mouth or vagina, it is not possible to subsequently change the thermometry option, otherwise the results will be unreliable.

Basal temperature depends not only on the phase of the menstrual cycle, other factors also have an effect:

  1. Stress.

  2. Medication.
  3. Intense physical exertion.
  4. Alcohol intake.
  5. Sexual intercourse on the day before thermometry.
  6. Colds.
  7. Inflammatory process.

Normal basal temperature indices differ: in the first phase, they still do not reach 37 ° C and correspond to 36.3–36.5 ° C. In addition, before the onset of ovulation, the temperature decreases by 0.1–0.2 ° C, after which it increases by 0.4–0.6 ° C. During the luteal phase, the basal temperature is 37 ° C and higher, returning to the initial level only at the beginning of menstruation.

If an increase in body temperature after ovulation is observed immediately before the date of the expected menstruation, the probability of pregnancy is high.

Nevertheless, the results need to be confirmed by additional studies, since the increase in indicators is observed in infectious, inflammatory diseases and some other conditions.

Axillary temperature during ovulation remains normal or increases slightly, which should not be accompanied by a pronounced deterioration. The appearance of additional symptoms, in addition to the standard permissible manifestations of ovulation, may be associated with chronic or acute pathology, premenstrual syndrome.

With a regular menstrual cycle and an increase in basal temperature within permissible values, treatment is not required. Painful sensations are usually not intense, but when complaints appear, they can be corrected by administering antispasmodic drugs (drotaverin, no-spa). It is necessary to avoid excessive physical exertion, lifting weights, to give up the use of alcohol, spicy and salty foods.

It is necessary to distinguish between tolerable pain and a pronounced pain syndrome in order to recognize the pathological condition in time.

The risk of apoplexy (rupture) of the ovary is highest in the second half of the menstrual cycle.

With a sudden increase and a constant increase in abdominal pain, dizziness, high fever, nausea, vomiting, bloody vaginal discharge, it is urgent to seek medical help.

Basal temperature or what is the temperature method?

When one or another phase of the menstrual cycle begins, certain changes occur with the hormonal level of the woman. For this reason, the basal temperature will change.

This definition refers to the lowest temperature that a human body can reach during rest. That's why you need to measure it immediately after you wake up, without performing any physical activity.

As for the other possible techniques, they are not considered standard, and according to their data, it is impossible to reliably judge the state of the woman’s body (this is the vaginal and oral methods).

The received results are required to be entered in a tablet, building a graph of temperature indicators. One day before ovulation should begin, you will see how the indicators go down a bit.

If the ovulatory phase has already arrived, the temperature will increase by 0.3-0.6 degrees and will remain at this level until the end of the cycle. This schedule will help you determine the date of ovulation, and even identify possible violations or diseases that are causes of infertility.

Measuring basal temperature is considered a biological method of contraception, because with it you can mark the days on which you will need to refrain from sexual intercourse.

How to measure basal temperature?

To make a schedule correctly, we need accurate and reliable thermometer readings.

They can be obtained only if you comply with all necessary conditions and rules.

  • BT is measured strictly at the same time immediately after waking up, preferably before 8 in the morning.

It is impossible to get out of bed, so prepare yourself a thermometer so that you can reach it with your hand, in advance.

It is best to use a normal mercury thermometer, since the electronic one can give unequal readings (depending on the angle at which it was located).

To bring down the previous temperature indicators is also worth it in the evening, so that you can just take it when you wake up and put a narrow end into the anus, making a minimum of movements.

  • Your night's sleep should be calm and long (at least 3-6 hours). Помимо этого, если вы хотите, чтобы метод дал свои результаты, то вам нужно отрегулировать режим дня и приучить себя к самодисциплине.

Дело в том, что на показатели температуры оказывают влияние много различных факторов: переутомление, спиртные напитки (принятые накануне), недосыпание, половой акт, стрессы, нервные расстройства, воспалительные процессы и прочие.

  • Постарайтесь ложиться спать и просыпаться в одно и то же время. Также следите, чтобы не менялась продолжительность самого измерения (приблизительно 5-10 минут).
  • The thermometer you use should be one, as during the replacement there may be errors in the indicators.
  • To make it as accurate as possible to calculate the days of ovulation, you need to keep a schedule of at least six months. Only then can you see the real results of your research.

At this time, you will have to completely abandon any contraceptives other than barrier ones (like condoms).

After measuring the temperature, immediately record its indicators in your schedule. It can be done even in the usual notebook or notebook. You should not hope for a memory, because the numbers may differ by only tenths of degrees.

When the thermometer reads between two digits, better fix the bottom.

Indicate in the chart any reasons that may affect the increase in BT, making appropriate notes.

An uninformative and inaccurate temperature is considered if:

  • you decide to sleep a little longer (every hour it will rise by 0.1 degrees)
  • got up to measure (for example, in the toilet),
  • did extra movements, turned over (some doctors even advised not to open eyes),
  • did not remove the indicators from the thermometer immediately after its extraction,
  • you had a flight or a long journey the night before
  • if you are taking medicinal or homeopathic drugs (you need to exclude the use of sleeping pills, hormonal or sedative drugs),
  • if you are sick (any inflammatory diseases, acute respiratory infections and others).

How to decrypt the data?

Based on averages, a normal menstrual cycle lasts 28 days.

If someone has a longer one, then the phase shrinks before the temperature increases, and for women with a shorter cycle, on the contrary, it increases.

But the duration of the ovulatory phase will still be on average 12-16 days.

Here are approximate figures for a normally flowing cycle (numbers may vary, but there must be a significant gap between them).

  • The ovum matures until the middle of the cycle.

For this, it needs special temperature conditions, therefore, the BT indicators after menstruation rise to 36.6-36.9 ° C. This creates optimal conditions for the fertilization of a mature egg.

  • Before ovulation (about a day), the temperature drops to 36.3-36.4 ° C, and on the day of ovulation there is a sharp jump and the temperature rises above 37 ° C.
  • After ovulation, when the egg moves through the fallopian tube, the basal temperature can range from 37 ° C to 37.4 ° C.

These numbers indicate that the most favorable period for conception has arrived: your egg cell has matured and left the follicle, rushing into the abdominal cavity, awaiting fertilization.

  • After that, in anticipation of the next menstrual period, the temperature gradually decreases (about 3 days before they begin).

By the onset of menstruation, indicators may fall to 36.8 ° C and below.

In any case, it is not possible to talk about making any diagnoses, based only on BT diagrams. Always consult a doctor and go through additional examinations to see a complete and reliable picture.

Anovulatory cycle: abnormal or pathological?

If you noticed that the temperature did not rise above 37 ° C over the entire cycle, then ovulation did not occur in it, that is, it was anovulatory.

Doctors say that this phenomenon can occur, since each woman of reproductive age has about 2-3 infertile cycles per year.

This is influenced by a number of different reasons: from nervous disorders and vitamin starvation to severe infectious diseases and dysfunction of the genital organs (this leads to the complete absence of ovulation).

However, with repetitions of anovulation over several months, it is better to seek the advice of a specialist.

This symptom is dangerous because it indicates more serious hidden problems. You will have to undergo a comprehensive examination to identify the causes, and only then can you continue to properly plan the pregnancy.

Instead of conclusion

You may well use the temperature method to be able to calculate the days most favorable for conception. Perhaps the measurement of BT will also help you identify any problems that prevent you from getting pregnant and require treatment.

The main thing you should be guided by is strict self-discipline and regime. With the slightest doubt or cause for concern, it is better to immediately consult a doctor.

Temperature at ovulation and after

During the menstrual cycle, there is a consistent change in the functions and structure of the female reproductive system (uterus, fallopian tubes, ovaries).

In a healthy woman, capable of childbearing, the cycle duration is about 28 days (with fluctuations of up to 5 days both downwards and downwards).

The change in this gap is considered normal during puberty immediately after the onset of menstruation, as well as before the onset of menopause.

Stages of the menstrual cycle:

  1. Proliferation, or follicular phase (from 1 to 14 days).

Under the influence of follicle-stimulating hormone, the follicles mature, the level of estrogen rises, the dominant follicle is formed. At the end of the proliferative phase, ovulation occurs. It is also classified separately as the ovulatory phase.

  1. Secretion, or luteal phase (from 15 to 28 days).

After ovulation, the follicle turns into a corpus luteum and becomes capable of secreting estradiol and progesterone - the hormones needed to prepare the endometrium for pregnancy. Menstruation begins if pregnancy does not occur.

With the onset of ovulation, the ripe follicle is broken, and the egg cell, or oocyte, is released from the ovary. In some cases, it is possible to yield not one, but two or more oocytes. If the menstrual cycle is regular, ovulation occurs in the second week after menstruation.

An increase in body temperature during ovulation is associated with the effects of progesterone. The most accurate data can be obtained by measuring the basal temperature (determined before the start of physical activity after sleep). Axillary thermometry is also performed (in the armpit).

4 signs of ovulation

It is important for a woman to know the symptoms of ovulation, especially if she wants to become pregnant, since it is during the time when the egg leaves the ovary to the uterus that the conception is highest.

You can determine your fertile days by the following symptoms:

  • 1. Pain in the ovary
  • 2. Changes in cervical fluid
  • 3. The change in body temperature
  • 4. Changes in hormone levels.

1. Ovulatory pain

Ovulatory syndrome is the official name of the ovulation symptom sets.

It usually includes ovulatory pain — sharp cramps or pain on one side of the lower abdomen, occurring about two weeks before the onset of menstruation.

Usually, the pain does not last long (from a few minutes to a couple of hours), but for some women it can be a day or two. About 20% of women come to the doctor with complaints of ovulatory pain.

It is not clear what the causes of ovulatory syndrome. It is believed that this may be due to irritation of the mucous membrane of the ovary during the release of the egg.

Ovulatory syndrome can occur every month or from time to time. If you experience ovulatory pain for the first time - be sure to consult your doctor, in order to make sure that it is not an infection or other serious problems.

2. Changes in cervical fluid

It is not always convenient to study your vaginal discharge, but these simple manipulations will help you determine fertile days. Cervical fluid is formed in the cervical canal and its character changes depending on the phase of the cycle. Sometimes you may notice it on underwear or toilet paper.

You can also evaluate your selections by gently touching the vulva or by inserting a clean finger into the vagina. Regularly defining modifications of the cervical fluid throughout the entire cycle, you will be able to notice some pattern.

Immediately after menstruation, there is a lot of discharge, but after a few days they become small, and they acquire a sticky, rubbery consistency. Toward the time of ovulation, the secretions liquefy, become like whitish or yellowish cream. A few days before and during ovulation, the discharge is clear, slippery and elastic.

Now your ability to conceive is the highest! After ovulation has passed, the secretions change again, they become sticky or disappear completely until the next cycle.

Some women produce little cervical fluid and find it difficult to notice any changes. In addition, various contraceptives and vaginal suppositories also complicate the observation of cervical fluid.

Women who have recently undergone surgery on the cervix, breastfeed, have recently stopped using hormonal contraceptives (pills, patch, Depo-Check), and cannot produce a normal amount of cervical fluid.

Cervical fluid tests and vaginal infections, which often mislead women, make it difficult.

When you notice a slippery, clear cervical fluid, then you should know that ovulation will soon, you can become pregnant within a few days before it and up to three days after it. When you have “dry” days, the likelihood of conceiving is very low immediately after the menstruation or shortly before its occurrence.

3. Changes in body temperature

A change in your basal temperature can be a sign of ovulation. It is necessary to measure the basal temperature in the morning, after waking up. During and immediately after ovulation, your basal temperature rises.

In order to use this method of determining ovulation, you need a thermometer with a divide value of 0.1 degrees. You can buy a pharmacy kit for measuring basal temperature, which already contains everything you need. It is necessary to take the temperature daily, in the morning as soon as we wake up and before getting out of bed.

Electric blankets should not be used with this method, as they may affect natural temperature changes. Mark the measurement results on a special graph.

You can get a general idea of ​​the features of your body’s work. after a regular three month basal temperature measurement and scheduling. About two weeks before the onset of menstruation, you should notice an increase in basal temperature of 0.4-0.8 degrees.

A rise in temperature says that ovulation probably occurred. Your basal temperature will maintain high values ​​until the next cycle.

The basal body temperature does not indicate the exact time of ovulation, but it will help you to find out about your most fertile days, which begin three days before the temperature rises and end a day after it.

3. Changes in hormone levels

During the menstrual cycle, the growth of luteinizing hormone (LH) gives a signal to the ovaries to release an egg cell. Ovulation usually occurs within approximately 12-24 hours after the highest value of LH.

The pharmacy sells special tests and kits to determine ovulation at home. Their principle is based on fixing the highest level of LH in the urine.

To do this, hold the test in a stream of urine or lower it into a container with urine (depending on the type of test) for a few seconds. Next, evaluate the result. Typically, a kit for determining a home ovulation consists of several tests that last for five or more days of testing.

Ovulation tests should be used in the middle of the menstrual cycle (a little earlier than two weeks before the onset of menstruation). So you can determine when to wait for ovulation.

Your fertile days are three days before the LH jump and one or two days after it.

Especially for the site Babyplan.ru
Yulia Khilenko

Temperature during the ovulatory phase

The temperature during ovulation plays a major role in determining the day of ovulation and successful conception.. Knowing our temperature during ovulation, we can easily determine which days to conceive are favorable and which days it is better to abstain in order to avoid unplanned pregnancy.

The temperature during ovulation is also called basal body temperature or rectal temperature.

Determining ovulation using a graph of basal body temperature is relatively easy and inexpensive. Your doctor or gynecologist may recommend charts or tables for you to help determine the time at which ovulation occurs, or to better understand your menstrual cycle.

By tracking your temperature during ovulation, you may find that your sex may not fall under ideal days for conception (three to five days before ovulation), or you may find that you have irregular ovulation. Over time, you may notice on which days of the cycle you ovulate, in order to correct sex at the right time, which will increase your chances of conceiving.

The first step you need to take is to get yourself a basal temperature chart. Download it here.

After you start filling it out, it should be analyzed correctly in order to understand what day you are ovulating. About this below.

How to measure your basal temperature

There are some hard and fast rules you must follow.

1) The temperature should be measured every morning at the same time (plus minus thirty minutes).

For example, if you are going to measure the temperature at 8.00, then the deadlines at which you can measure the temperature will be no earlier than 7.30 and no later than 8.30 the next day.

2) When you wake up, you should not get up, go to the toilet or do something. As soon as you wake up, first of all, without getting out of bed, measure your temperature with a thermometer, which you should put in advance at arm's length.

3) You need to sleep continuously for at least three to four hours before measuring the temperature. If you went to bed too late, didn’t sleep at night, or got up several times at night and went to the toilet, to the kitchen or somewhere else, this would distort your results.

4) You must use the same thermometer throughout the cycle. If you bought a new thermometer, it should be used from the beginning of a new cycle.

When to start measuring your temperature

Ideally, you should start measuring your temperature on the first day of menstruation and continue to measure your basal temperature every day throughout the cycle. Every day, as soon as you wake up, at the same time!

If you have experience in building such graphs or used them earlier, you can skip a few days at the beginning of your cycle and start measuring the temperature on days 5 or 7. But until you know exactly which day ovulation occurs, it’s best to start measuring your temperature throughout the entire cycle, from day one.

Your basal temperature is a great and easy way to understand when you have ovulation. But the schedule can not predict ovulation. Your temperature will only increase and will remain elevated after ovulation. By that time there is a chance that the time for conception will be lost.

For this reason, you should also monitor your cervical fluid (mucus).

Here are some things you can also mark on your schedule.

You need to determine which days will be the most optimal sex for conceiving a baby. There are only five to seven days in the cycle when fertilization and conception are possible. And ideally, two or three days before ovulation will be the best. You should not miss them! This is your fertile window.

Another reason for plotting is to see how many times you have had sexual intercourse. With male factor infertility (Oligozoospermia - an insufficient number of sperm), having sex every day can reduce your chances of conception. On the other hand, having sex once, before ovulation, may not be enough to conceive.

In addition to tracking your cervical fluid, it will be helpful to monitor your cervix to predict ovulation. The cervix becomes taller, softer and more open when ovulation is on the way. After ovulation, the cervix becomes more elastic, lowers and can be closed (or partially closed).

  • Disease, stress and sleep problems

Even in relatively favorable periods, the chart may show false data. For example, if you sleep with your mouth open, or you have a bad dream, the temperature may be distorted (reduced). Stress also affects your basal temperature.

If you use ovulation tests or other methods for predicting ovulation, such as saliva analysis, you can mark this in your spreadsheet.

With a chart of basal body temperature, you can see your big picture. Your temperature can rise and fall as your cycle progresses. But you should notice that your body temperature will be lower than the temperature after ovulation.

On the graph you can see that just during ovulation, the temperature drops a little. And after ovulation has occurred, it increases dramatically.

Когда вы увидите, что температура возросла примерно на три и больше пунктов от средней температуры, то можно быть уверенными, что овуляции произошла на день раньше. Также стоит обратить внимание на вашу цервикальную жидкость: если она густая, липкая, напоминающая яичный белок, то это симптомы приближающейся овуляции.

Если вам повезет, вы можете обнаружить сильное понижение температуры в день овуляции. Not every woman is so lucky to mark it. If the temperature has remained stable for a month, and you have found such a decrease, be prepared to have sex on this day, as it is possible on this day you have ovulation.

How can you get pregnant using information graphics

Look for patterns. If you ovulate on certain days of the cycle, use this information to determine the best days to have sexual intercourse.

For example, if after three months you determined that ovulation occurred on the 11th, 12th and 15th days of the cycle, you can assume that during the next cycle you should have sexual intercourse from 6th to 16th day, especially taking time to days between 11 and 15 .

Remember, you do not need to have sex on the day of ovulation to get pregnant. If you have sex a few days before ovulation, this should be enough for the egg to catch its second half - the sperm. Some couples have sex every other day a week before their intended ovulation. This is also a good idea.

Share the results of the schedule with your doctor or gynecologist.

A chart of basal body temperature can reveal potentially dangerous problems.

For example, if you notice that you do not have changes in temperature, this may indicate a lack of ovulation. Also, if you notice that the time between your ovulation and the first day of the menstrual cycle is 10 or less days, your luteal phase may be too short to become pregnant. If you experience pain during ovulation, read here!

If you notice such problems, you should not waste time and it is better to immediately consult a doctor. Show him your schedule and voice your concerns.

Results: Today we learned that the temperature during ovulation is reduced by an order of magnitude, and after the end of ovulation increases sharply. To determine your ovulation, besides the schedule you should pay attention to the symptoms of ovulation. A daily schedule filled out with an indication of temperature, nature of cervical fluid, and other data will help you get pregnant in the shortest possible time! Good luck in conception!

Especially for you, we have selected an excellent video that will help you correctly measure and interpret your schedule. Check it out right now!

What should be the basal temperature after ovulation?

The basal temperature after ovulation is a good way to learn not only about the possible conception, but also about the state of women's health in general.

Ovulation is the release of a ripe egg from the follicle into the abdominal cavity, which is ready for fertilization. Then the mature egg moves through the fallopian tubes, where it is possible to meet with the spermatozoon. After the egg cell meets the sperm cell, fertilization and conception occur. It’s impossible to get pregnant on days when ovulation has not come.

If you plan a pregnancy, you can at home calculate the days of ovulation, favorably suitable for conception, by measuring the basal temperature.

In addition, by measuring it, one can find out favorable days for safe intercourse, without the risk of becoming pregnant if pregnancy is undesirable.

However, this method can not be 100% safe, since it is possible to calculate the days of ovulation approximately, and the sperm into the uterine cavity lives there for up to two days and may well wait for its time. Therefore, if pregnancy is not desirable in the near future, it is better not to hope for a schedule.

Maintaining BT schedule

To approximately determine the days of ovulation, you can keep a special schedule. The basal temperature depends on the phase of the menstrual cycle, which is divided into: follicular, ovulation and luteal phases.

When changing one phase or another, the hormone level changes and, as a result, the basal temperature changes.

Measurement should be carried out during the entire menstrual cycle, in addition to the days when there is spotting.

A woman should measure the basal temperature in the morning without getting out of bed, since even the smallest physical activity can affect her. This can be done using a conventional mercury thermometer, which is used to measure body temperature.

To measure the basal temperature, you need to use the same thermometer, since each device may have a small error in degrees, which will negatively affect the reliability of the data.

A thermometer should be inserted into the rectum, through the anus, and hold it for about 7 minutes.

The obtained readings of the thermometer must be recorded in a special table, according to which the basal temperature graph will be plotted. On the eve of ovulation, before the release of a mature egg from the ovary, the basal temperature will be as low as possible. The next 2 weeks will be increased.

The next day, you can observe a sharp rise in basal temperature by 0.5 degrees or more. This level of temperature can last for several weeks and the reason for this is the production of the hormone progesterone, which affects the temperature exchange in the brain.

Favorable days for conception are 2 days before and the next 2 days after ovulation.

In turn, there are indirect signs by which one can determine the possible onset of ovulation. These features include:

  • transparent, protein secretions,
  • nagging pains from the side of one or second ovary.

Judging by circumstantial evidence is not always possible, since some women are completely absent.

Special tests

Determining ovulation at home is possible with the help of special tests. They are sold in any pharmacy, and it is much easier and faster to use them than to measure the basal temperature rectally. Ovulation tests are in the form of test strips, in the amount of 5 pcs. in one package, and in the form of cassette tests, 7 pcs. packaged.

Test strips visually resemble tests to check pregnancy and work the same.

Before ovulation, luteinizing hormone rises, to which the reaction of the test strip impregnated with a special reagent is.

A day before the onset of ovulation, a strip of dough will show changes in the female body, and they will appear in the form of two bright stripes on the test. The reliability of such a test is high and is about 99%.

To use the strip, you need to get it out of the package, place it in a glass with collected urine before the limiter on the strip, and after a while you can see the appearance of another line on the test: the bright line that appears will indicate the onset of the pre-promotional day.

Cassette tests are designed for women with an irregular menstrual cycle, so there are 7 of them in a package, which is quite enough for test control. They act like regular test strips to determine ovulation.

Tests should begin to use on the 17th day from the beginning of the menstrual cycle. For example, if the cycle is 30 days, then from these 30 you need to subtract 17, the resulting figure (13) will be the day of testing.

For testing, the most appropriate period is from 10 to 20 hours during the day. When the test shows a positive result, in the next 3 days you need to plan sexual intercourse.

During ovulation, body temperature should be higher than on normal days. If on the approximate days of ovulation the basal temperature does not rise and this is repeated every month, then you need to contact a gynecologist.

BT before and after ovulation

The basal temperature before and after ovulation is different. Before the onset of ovulation, it is normal or slightly reduced the day before, after ovulation it increases by 0.5 - 0.6 ° C and lasts for two weeks. If the basal temperature after ovulation is elevated after 2 weeks, then there is a high probability that conception has occurred.

If the body temperature after ovulation does not increase, and this is observed 2 or 3 months in a row, this may indicate the presence of health problems. This is especially true if the couple is not protected during the year, and pregnancy does not occur. Such a sign may indicate the absence of ovulation.

Afraid of this is not necessary, modern medicine successfully corrects and corrects this fact.

Body temperature can change not only after or before ovulation. Temperature changes can occur against the background of various diseases, such as SARS.

On such days, it is better to refuse temperature measurements, since they are likely to be unreliable.

Also, the correctness of the indicators will be influenced by the correctness of the temperature measurement, the general health of the woman, the individual characteristics of the organism.

To record the measurement of basal temperature before planning pregnancy you need to draw a special schedule. To do this, a table is drawn in a tetrad sheet, where days will be on one plane and degrees will be on the other plane. In order to find out what the temperature was the day before, it will be enough to look at the graph and compare it with the current figures.

Thanks to modern technologies, a special application can be downloaded to a mobile device, with which it will be possible to track fertile days without difficulty.

The only inconvenience is that such an application may fail, and the temperature measurement schedule may completely disappear.

Therefore, it is better to give preference to the old method, namely, to record the basal temperature in the handwritten chart.

The most favorable temperature for conception is 37 ° C.

Why then should a low temperature trigger an act of sexual intercourse? Because it is on the eve of ovulation that the basal temperature drops by 0.2 - 0.4 ° C, which can be clearly seen on the chart.

Unfortunately, not all women can recognize such small changes in temperature, so it’s best to use tests to determine ovulation along with the schedule, which will make it possible to bring the fertilization time as close as possible.

If the temperature on the schedule keeps the same level, slightly elevated and does not rise, then this may indicate the presence of a disease such as endometritis.

Also, frequent unreasonable changes in the graph when measuring basal temperature, when there are sharp jumps, may be associated with an unstable hormonal background.

In this case, first you will need to be examined and, perhaps, heal a little before planning a pregnancy.

Thanks to the temperature measurement schedule, you can learn about the onset of pregnancy at the earliest periods, monitor safe days to prevent unwanted pregnancies, identify violations and problems with women's health before visiting a gynecologist.

In order for the chart data to be reliable, it must be maintained for 3-6 months. Pregnancy planning is not only a basal temperature measurement schedule.

A complete comprehensive examination of men and women, the delivery of the necessary tests, a healthy lifestyle - all this is extremely necessary for easy pregnancy and the birth of a healthy baby.

A schedule will help choose a favorable day for conception, while a high basal temperature after ovulation, lasting a week or more, will help confirm this happy fact.

The first phase of the menstrual cycle

The follicular phase of the cycle is influenced by estrogens and therefore the thermometer readings rarely exceed 36.5 ° C at this time. The basal temperature before ovulation does not experience major changes and jumps., and permissible fluctuations of values ​​are 0.1 degrees. At this time, follicles mature under the influence of hormones, and the reproductive system is prepared for ovulation.

Sharp change in thermometer readings 0.2-0.5 degrees means that the egg has matured and left the follicle. A certain drop in temperature before ovulation with its subsequent sharp rise is allowed and not considered pathology.

Maximum basal temperature during ovulation should not exceed 37.2 ° С. If the thermometer readings are much higher, then this is provoked by the inflammatory process, and not by the maturation of the egg cell.

The mature egg leaves the follicle and rushes through the tubes into the uterine cavity. This transition takes 4-6 days, but conception is possible only on the first day after ovulation.

If you are aiming to become pregnant, it is best to use a period that includes 5 days before ovulation and 2-3 days after it. Fixing the values ​​of the scale of the thermometer to calculate this period is quite simple.

Second phase

During this period of the menstrual cycle, the reproductive system is regulated by progesterone. After ovulation, thermometer readings are kept in the range of 37-37.2 ° C until the onset of menstruation.

If the value of the basal temperature does not change after a delay of menstruation or more than 17 days in a row - this is considered a deviation from the norm.

Typically, this temperature is a sign of pregnancy and to confirm it is enough to pass a blood test in any laboratory.

The gap between ovulation and menstruation is called luteal phase. For the production of progesterone, preparing the body for the upcoming pregnancy and maintaining it for the first 16 weeks is the lute body. It determines the stable basal temperature from the beginning of ovulation to the onset of menstruation or until the final formation of the placenta.

Measure correctly, interpret correctly

To measure the basal temperature during ovulation is not difficultThe main thing is to follow the rules of measurement. Remember that it is preferable to rectal and vaginal methods of measuring basal temperature, as they provide more accurate values.

It is not entirely correct to diagnose the presence or absence of ovulation, based on thermometer data. However, the absence of a sharp jump in the chart in the middle of the cycle should be the reason for further surveys.

It must be remembered that the control of the temperature of "rest" is only an auxiliary method for determining ovulation, and to evaluate the results of measurements it is better to consult a specialist.


What is BT during ovulation (as well as before and after)? Basal (BT) is called the true temperature, that is, the one that reaches the human body in a state of complete rest. Only such a body temperature during ovulation has a diagnostic value, since after even minimal physical exertion the thermal index is distorted and the indicator rises. During the day, during stresses and loads, it is rather difficult to achieve such a state of rest, so that the indicator becomes true.

Measuring method

How to measure BT to determine ovulation? The accuracy of the measurements and the correctness of the data largely depend on the method by which it was measured. Such methods as rectal, vaginal or oral are considered the most informative. In this case, the measurement results in three ways may differ slightly. Therefore, it is important to always use the same measurement location for the most objective data. Especially if you use this method of determining ovulation.

What to measure?

In principle, the reading of such testimony can be carried out using any thermometer. This is just a matter of convenience. For example, a traditional mercury glass thermometer will have to be measured for a long time - 12 minutes. In addition, it is quite unsafe. It is easier and faster to measure the temperature with an electronic thermometer - the time of their work, depending on the model, is from several seconds to one minute. In addition, the readings are more accurate, which is especially important if the measurement of BT is performed to determine ovulation.

When and where to measure?

This is a rather complicated question, due to the fact that the basal temperature on the day of ovulation and throughout the entire menstrual cycle is very unstable and can change even with minimal physical exertion and changes in activity. Therefore, the objectivity of such measurements can be reduced, as well as their information content. Therefore it is recommended to measure it always at the same time, and with the same external factors. It is most convenient to do this in the morning, immediately after waking up, without getting out of bed strictly. In this case, you can get the most objective data. It is better to lie down for a few minutes without a blanket to normalize the body thermal index.

Since these indicators are variable and subject to modification under the influence of hormones and other factors, patients are recommended to build a special schedule of BT during ovulation, before and after (that is, throughout the whole menstrual cycle) if they are preparing for pregnancy. The presence of such a schedule helps not only in planning conception, but also in assessing the general state of health, since in some diseases these values ​​may vary. Therefore, when preparing for a visit to a gynecologist, it is worth preparing such a schedule.

What does it look like?

On the graph of basal temperature there is only one broken line, that is, it is quite simple, but at the same time quite informative. Such a line is constructed by points (one point - one measurement per day). Then the points are interconnected, forming a line.

On such a graph, you can quickly determine the visually significant uplift and fall in performance, which is typical, respectively, for certain stages of the menstrual cycle. Так как температура должна быть более или менее стабильной, иногда для диагностики врачу требуется сравнить графики за разные месяцы.

Как построить?

Для того чтобы овуляция на графике стала видна, постройте эту прямую. Делается это так:

  1. Прочертите на листе бумаги вертикальную ось,
  2. Нанесите на нее градацию значения в градусах, каждое значение через равный промежуток, с шагом 0,1 градуса, начиная с 36,0 и до 37,5,
  3. Прочертите горизонтальную ось,
  4. Apply to it the points corresponding to the days of the menstrual cycle, at an equal distance, in steps of one day,
  5. After measuring the index on a particular day, at the intersection of the day and the determined value, apply a dot.

If there is a need to measure the data several times a day, then these lines can be applied to the chart with pencils of different colors. This will not get confused.

Normal performance

What indicators can be considered normal without and during ovulation? In principle, the temperature indicators for each woman are individual and may differ slightly. However, they should fit into the normal physiological framework (in the absence of pathologies), as well as correlations and the general dynamics of decline and growth of indicators should be consistent with the normal average. The hormonal background in the patient's body affects the indicators to the greatest extent, namely, depending on the concentration of one or another hormone, the temperature changes.

Before ovulation

Before ovulation, BT for these few days is subject to quite strong changes due to unstable hormonal levels. On the first, second and third day of the menstrual cycle, values ​​of 36.3-36.5 are considered normal when taken orally, and 36.4 - 36.6 when measured by the vaginal and / or rectal method.

On the fourth or fifth day, the hormone level changes significantly, but does not have a particular effect on BT. It may vary slightly (by 0.1-0.2 degrees), but is still within the limits indicated above. The same thing happens on days 6–10 - hormone levels change, thermal indexes may also change, but still within the same range.

On the 11-13 day, usually, the indicators remain stable, the same as in the previous period. But also their small decrease is considered normal - by 0.1-0.2 degrees.

During ovulation

During ovulation, body temperature (and not just basal) undergoes changes. There comes the process of release of eggs from the follicles on the 14-15 day of the menstrual cycle. Hormonal background is significantly changed from the beginning. What should be BT for ovulation? Oral, vaginal or rectal temperature with ovulation increases by 0.3-0.4 degrees, which is the physiological norm.

After ovulation

What should be BT after ovulation? Sometimes there is a low basal temperature after ovulation. In general, during this period it tends to decrease. But after ovulation, BT can remain unchanged until 21 days of the menstrual cycle, being within 36.8 - 37.1. Of course, such indicators are considered normal, if the conception has not come. During pregnancy, normal rates change.


How does basal temperature change after ovulation if fertilization occurs? Since the hormonal level is rapidly changing compared with the “non-pregnant” state, the patterns described in the paragraph above are no longer valid. BT can rise to 36.8-37.1 if you measure temperature vaginally or rectally.

It is important to remember that if, after normal ovulation, there was an increase in BT, this is not an exact, but only an indirect sign of the condition. This is not a diagnostic method, because even the definition of ovulation by temperature is not a very reliable method, since this indicator may change under the influence of many factors.

Relationship with ovulation

BT is also a thermal index of the body, but more accurate and objective, since it is determined without the influence of external factors. Therefore, the expression “body temperature” in this case is understood as an indicator obtained during a spontaneous measurement carried out in the morning or evening. It is usually not accurate, because it depends on the psycho-emotional state, environmental conditions, physical exertion, etc. Therefore, this method of determining the egg maturation period is not informative, while it is still possible to determine ovulation by BT, but with little certainty.

In general, it is believed that the body temperature (TT) is higher than that of BT by 0.2-0.5 degrees, as it rises as a result of exposure to physical exertion. However, this or that type of load may not work, so this method is far from accurate. In addition, it significantly depends on the method of taking readings, which thermometer is used and where it is installed.

For example, when measuring the temperature of the armpit, you can get low rates. This does not mean that the temperature itself has fallen, but only the fact that there is a sufficiently large error. At the same time, the results obtained with rectal, oral or vaginal measurement are more accurate, especially if carried out with an electronic thermometer.

TT before maturation of the egg is 36.6-37.1 degrees.

Body temperature during ovulation increases in the same way as the basal one. The hormonal level affects the thermoregulation and all the thermal parameters of the organism, including TT. because for most women is characterized by fever with ovulation. Depending on the individual characteristics of the organism and the methods of measurement, it can vary within rather large limits and range from 36.8 to 37.3, rarely 37.4.

Body temperature after ovulation gradually returns to normal. Usually, these are about the same values ​​that took place before the stage of release of mature eggs from the follicles. After ovulation, BT drops, decreases and body temperature. Within 3-4 days after that, the indicators gradually decrease to 36.4-36.7 degrees.

Deviation value

Deviations in these indicators can also serve as diagnostic signs. For example, in the absence of ovulation, there is no increase in BT at a given time, or it is short-term and insignificant. If, however, after ovulation, BT dropped abruptly and significantly this may indicate a hormonal failure. Increases in TT and BT often speak of an inflammatory process.