High basal temperature in the first phase of the menstrual cycle

Measuring basal temperature is often used by women as a method of determining the date of ovulation, in order to choose the optimal time for conception, as well as to monitor their menstrual cycle. In our article we will look at what basal temperature in the second phase of the cycle is normal, and how its values ​​change in different situations.

Which temperature is considered normal and which is a symptom of infection?

During the coronavirus pandemic, many are afraid of getting sick, and therefore, at the slightest change in their health, they rush to do the simplest thing available to them: measure their temperature. What temperature is considered normal, and which is a symptom of infection (not only SARS-CoV-2, but any other)? The answer is not as obvious as it seems at first glance, writes Health Mail.ru.

Photo: Markus Spiske, unsplash.com

What is considered normal temperature?

It is traditionally believed that the “correct” body temperature of a healthy person is 36.6°C. Is this really true?

Body temperature is controlled by a thermoregulatory center located in the hypothalamus, which is a small area in the brain.

Until recently, it was believed that hypothalamic neurons were the only ones responsible for thermoregulation in the human body. However, it has now been proven that the concept of a single source of “temperature guidance” cannot fully explain all mechanisms of body temperature stabilization. Thermosensitive areas are also found in the cerebral cortex, hippocampus, amygdala and even in the spinal cord.

A healthy person experiences repeated temperature fluctuations during the day due to various factors:

air temperature and time of day;

hormonal conditions (both in women and men).

These factors, in their moderate daily impact, can affect the change in body temperature of a healthy person in the range from 36.6° to 37.5°C. Depending on the thermometer readings, the following types of body temperature are distinguished:

less than 35 °C - low body temperature;

35−37.5°C - normal body temperature;

37.5−38°C — subfebrile body temperature;

38−39°C — febrile body temperature;

39−41°C — pyretic body temperature;

above 41 °C - hyperpyretic body temperature.

How is the female body unique?

During the day, a person’s body temperature can change several times. To verify this, it is enough to take measurements: in the morning, after waking up, it will be at approximately 35.5°C, and during the day it can rise to 37.5°C. This does not indicate the presence of any infection or disease.

Daily fluctuations in body temperature are especially typical for women due to hormonal changes during the menstrual cycle, during pregnancy and perimenopause.

In girls and women of reproductive age, the temperature begins to rise to 37.5°C in the second phase of the menstrual cycle, immediately after ovulation (the release of the egg from the follicle), and can remain at this level until the start of menstruation - that is, 2-3 weeks. This is due to an increase in progesterone levels, which has a thermal effect. The presence of low-grade fever in pregnant women in the first trimester is explained in the same way: this is a physiological norm that does not require treatment in the absence of any symptoms.

Low-grade fever is also possible during perimenopause due to hormonal changes in the female body.

Thyroid dysfunction, namely hypothyroidism, can also cause a stable and long-term increase in body temperature.

Second phase length

The basal temperature chart is divided into the first and second phases. The division takes place where the ovulation line (vertical line) is marked. Accordingly, the first phase of the cycle is the segment of the graph before ovulation, and the second phase of the cycle is after ovulation.

The length of the second phase of the cycle is normally from 12 to 16 days, most often 14 days. In contrast, the length of the first phase can vary greatly and these variations are the individual norm. At the same time, in a healthy woman in different cycles there should be no significant differences in the length of the first phase and the second phase. The total length of the cycle normally changes only due to the length of the first phase.

One of the problems identified on the graphs and confirmed by subsequent hormonal studies is the failure of the second phase. If you measure your basal temperature over several cycles, following all the measurement rules, and your second phase is shorter than 10 days, this is a reason to consult a gynecologist. Also, if you regularly have sexual intercourse during ovulation, pregnancy does not occur and the length of the second phase is at the lower limit (10 or 11 days), then this may indicate insufficiency of the second phase.

So when should you sound the alarm?

In infectious diseases, an increase in temperature is usually accompanied by characteristic symptoms and the development of a general intoxication syndrome: weakness, drowsiness, headache, pain in muscles and joints. In such situations, of course, 37.5°C is not the norm, but also not a reason for panic, self-medication and unreasonable use of antipyretics. The best thing to do is see a doctor.

If you have no complaints, your general health does not suffer, and a temperature of 37.5°C was discovered by chance, you need to evaluate the possible factors influencing the physiological increase in body temperature: hormonal levels and the conditions in which you set the thermometer. Under no circumstances should you panic: measure your temperature again after some time (or better yet, a third time, a little later) and, if the increase is accompanied by other symptoms, consult a doctor.

Features of body temperature before the onset of menstruation

It is known that reproductive functions in the body of every woman are regulated exclusively by the corresponding sex hormones, namely progesterone and estrogen. And if estrogen does not affect basal temperature indicators, then progesterone often provokes its increase.

Due to the fact that with the onset of critical days the concentration of this hormone in the blood decreases, it is not surprising that the temperature gradually returns to normal. At the same time, not all women can notice its increase, but only those with a sensitive body, since an increase of several hundredths of a degree does not always affect well-being.

The answer to the question - can the temperature rise before menstruation is well known to representatives of the fair half of humanity, who regularly keep a diary of the menstrual cycle, noting in it the beginning of ovulation or other important events. Normally, there is a fluctuation within 37 degrees Celsius, with a slight decrease immediately after ovulation and immediately before the onset of menstruation.

It should be noted that temperature fluctuations are not typical for all women. In some of them, the course of the menstrual cycle is completely devoid of this factor. Neither in the case of an increase in body temperature before menstruation, nor when it decreases, should you immediately panic - in most cases this is completely normal. Certain questions should arise if these processes are accompanied by the appearance of third-party symptoms, which will be discussed in detail below.

Special cases

If the temperature in the first phase rises sharply for one day, then this does not mean anything. Inflammation of the appendages cannot begin and end in one day. Also, a lack of estrogen can only be assumed by assessing the entire graph, and not a separate temperature in the first phase. For diseases accompanied by high or elevated body temperature, measuring basal temperature, much less judging its nature and analyzing the graph, makes no sense.

High temperature in both phases (for example, 36.8 and 37.2) while maintaining a difference of 0.4 degrees is not a pathology. This condition is called hyperthermic and is a normal individual symptom.

Attention! Making any diagnoses based solely on graphs is impossible. Don't self-medicate! Diagnoses are made based on additional examinations performed by a gynecologist.

Common causes of fever before menstruation

If we exclude the body’s normal reaction to the “entertainment” of hormones in the body, then there can be quite a lot of reasons for changing the optimal temperature regime. Not all of them will indicate the presence of pathological changes, but you should still pay special attention to this, which will help maintain your own health and subsequently get rid of unpleasant sensations.

Low-grade fever before menstruation may be present without the onset of menstruation. This is a classic cycle delay when discharge does not appear on time. As a rule, this may indicate that the egg released from the follicle in the ovary has been fertilized. It is easy for all women who lead an orderly and constant sex life to take this factor into account.

In this case, it is also necessary to talk specifically about the high role of hormones, but the physiology of the process itself will be completely different. Another sure sign of the onset of pregnancy is that the reading on the thermometer is stable for almost the entire second half of the menstrual cycle.

Consequences

With a high BT in the first half and a slight temperature difference in the two phases (for example, 0.2 °C), the chances of fertilization are reduced. A lack of estrogen leads to the fact that the body does not have the conditions for normal maturation of the egg.

Even if a follicle begins to grow in the ovaries, ovulation still does not occur, and the follicle degenerates into a cyst. As a result, the woman suffers from infertility. Infertility also develops against the background of adhesions formed during chronic endometritis.

In addition to the impossibility of conception, ignoring abnormally high BT in the first phase leads to the progression of the listed diseases of the genital organs, which can affect not only reproductive health, but also threaten the life of a woman.

Increase in basal temperature during menstruation

The characteristic fluctuations of the basal straight line are relevant not only before the onset of critical days, but also directly during them. This, too, may either indicate the presence of certain problems in the body, or not constitute any violation.

There can be two scenarios for the development of events:

1. Slight increase

The reason for this phenomenon may be natural processes occurring at this moment in the female body. The reproductive system is working to the limit, dehydration is noted, and there is significant blood loss. All this provokes the development of a stressful situation.

The girl, as a rule, does not feel well, gets tired quickly, characteristic apathy appears, and her appetite disappears.

It is against the background of these processes that the thermometer reading can increase slightly. No treatment is required here.

2. Significant increase

Strong fluctuations, which are accompanied by corresponding pain in the abdominal area, are a deviation from the norm. It is quite possible that we are talking about the appearance or activation of some inflammatory process. The disease can affect not only the genital organs directly, but also the intestines, rectum, etc. The thermometer reading in this case depends on what temperature was recorded before menstruation.

If the symptoms described above occur, you should consult a doctor immediately, since only he will be able to carry out the appropriate diagnosis and determine the root of the problem. The sooner you get rid of it, the higher the chances that serious pathologies that can lead to dysfunction of the reproductive system, that is, infertility, will be avoided.

An increase in temperature during critical days is also characteristic of inflammatory processes in the uterus. The fact is that during this period the vagina expands slightly, which allows pathogenic organisms to freely enter the internal genital organs, including the uterus. Given this fact, many doctors strongly recommend, whenever possible, using pads rather than tampons as personal hygiene products.

The reasons for the increase in temperature before, during, and even after menstruation may lie in diseases of the gastrointestinal tract. This is due to the fact that hormonal changes in the body often provoke bowel dysfunction, which only aggravates the already unimportant condition of the stomach, intestines or intestines. Despite the fact that this does not in any way affect a woman’s reproductive function, it is still necessary to undergo an appropriate course of treatment, since no disease can be neglected, even if it does not cause any discomfort.

An increase in the thermometer reading to a subfebrile temperature is actually a guaranteed sign of the presence of certain pathologies in the body. Therefore, you need to make an appointment with a gynecologist who:

• will conduct a thorough inspection;
• prescribe the required diagnostic procedures;
• make a diagnosis and prescribe effective treatment.

Does your body temperature increase before your period? Yes, and in many cases this is completely normal. But if there is a significant increase in it, which is accompanied by the appearance of pain, general weakness, nausea, vomiting, diarrhea and other evidence of the disease, you must immediately seek professional help. This will help to significantly minimize the harm caused by the disease, thanks to which the woman will retain the ability to conceive a child.

Diagnostics

If the temperature difference in the two halves of the cycle (before and after egg maturation) is less than 0.4 ° C over several menstrual cycles, this may be a sign of a lack of estrogen and lack of ovulation or an inflammatory process in the uterine mucosa or ovaries.

But you can’t make a diagnosis based solely on these BT charts. To confirm your guesses, you need to undergo examination by a gynecologist and endocrinologist, and do a blood test for hormone levels.

Ultrasound and other examinations (smear for bacterial culture and others) will help confirm or refute the diagnosis.

Early diagnosis increases the chances of successful treatment.

Why does body temperature rise before menstruation?

A woman’s body has a lot of physiological processes to ensure its vital functions, one of which is menstruation. The release of bloody clots in the absence of pregnancy is accompanied by biochemical reactions, which normally can lead to a slight increase in body temperature. The accompanying symptoms and the nature of the increase are of diagnostic importance. Normally, all changes are caused by premenstrual syndrome. In women, it has a different set of symptoms and the degree of their severity. Some pathological processes proceed in a similar way, therefore, at the slightest suspicion of a disease, a woman must seek qualified help and undergo a series of diagnostic procedures in order to make a diagnosis.

Fever is a nonspecific symptom that appears in response to inflammation or other biochemical processes occurring in the body. The following types are distinguished: subfebrile (37-38 C), febrile (38-39 C), pyretic (39-41 C) and hyperpyretic (more than 41 C).

Premenstrual syndrome is a symptom complex that occurs in the luteal phase of the menstrual cycle and is characterized by somatic, neuropsychic, vegetative-vascular and metabolic-endocrine manifestations. It occurs 2-10 days (on average a week) before menstruation and goes away in the first days after its onset. Before menstruation, only low-grade fever can be considered physiological norm. It is usually accompanied by the following PMS symptoms:

• pain in the lower abdomen;
• discomfort in the lower back;
• weakness;
• chills;
• anxiety, irritability, tearfulness, sudden mood swings, headaches;
• decreased/increased appetite, constipation/diarrhea, nausea;
• pain and swelling in the mammary glands;
• acne, swelling.

This reaction is not typical for everyone; in some women everything is completely asymptomatic or the symptoms are isolated and mildly expressed.

Usually the temperature rise is in the lower range of subfebrile temperature, that is, on average up to 37.1 C. If the temperature rises to 38 C, then this indicates a possible inflammatory process of the pelvic organs. In inflammatory diseases, pain below becomes severe and sometimes unbearable, simulating acute surgical pathology, for example, appendicitis. The indicator exceeds 38 C, which is due to body intoxication syndrome, which is not normal and poses a threat to a woman’s life.

Normally, the menstrual cycle lasts on average 28 days, but can range from 21 to 35 days. Each new menstrual cycle begins on the 1st day of the onset of menstruation. Thus, the following phases are distinguished:

You can track the phase of the menstrual cycle by basal temperature; this is a local increase concentrated in the pelvic cavity. It increases a few days before ovulation and reaches a peak during menstruation. Clinicians often associate low-grade fever with this very phenomenon: a few days before menstruation, body temperature rises to 37 degrees.

Increase in basal temperature by cycle phases

Body temperature is regulated by the thermoregulation center in the medulla oblongata, that is, it increases due to the activation of protective forces in response to increased levels of biologically active substances. Before menstruation, hormonal levels are subject to changes - progesterone levels increase. In this case, the increase in temperature before menstruation will be within 37.3 C and is a physiological norm.

If the temperature rises above 37.3 C, then this may be a symptom of pathology. The most common diseases that have similar symptoms in the initial stages of development are inflammation of the appendages and the inner layer of the uterus. They also worsen during the luteal phase of the cycle.

Adnexitis (salpingoophoritis) is inflammation of the uterine appendages - fallopian tubes and ovaries. The female internal genital organs include the vulva, vagina, cervix, uterus, fallopian tubes, and ovaries. The infection most often enters the uterine appendages in an ascending manner, that is, from the vagina upward to the appendages. The etiology can be specific (gonococci, chlamydia, trichomonas) and nonspecific (staphylococcus, streptococcus, enterococcus, and so on). Most often this is a specific flora. The following symptoms are observed:

• pain in the lower abdomen from minor to imitation of acute surgical pathology;
• first, low-grade fever, then fever develops to 38-39 C;
• chills;
• nausea, vomiting;
• discharge from the genital tract depending on the pathogen: gonorrhea - purulent discharge, trichomoniasis - foamy mucopurulent discharge; chlamydia – mucous membranes.
• burning and itching in the perineal area;
• urinary disorders in the form of pain and discomfort.

Severe weakness, increasing temperature and pain are a sign of an emergency. Menstruation may come on time or there may be a delay. They should not be a guideline; the woman needs emergency medical care.

Endometritis is an inflammation of the uterine mucosa – the endometrium. The cause of occurrence is the entry of bacterial flora into the uterine mucosa, most often as a result of intrauterine interventions - curettage, the use of IUDs (intrauterine devices), childbirth. Symptoms of endometritis are as follows:

• rapid increase in body temperature above 38 C;
• pain in the lower abdomen of varying intensity;
• chills;
• loss of appetite;
• weakness, fatigue;
• discharge from the genital tract of a bloody-purulent or purulent nature.

The disease lasts 8-10 days, ends mostly with recovery, but complications may develop, such as pelvic abscesses, parametritis, peritonitis, thrombophlebitis of the pelvic vessels, and transition to a chronic form of the disease. It does not always occur with a pronounced clinical picture; the diagnostic sign is an increase in temperature. You need to see a doctor.

These diseases are diagnosed using standard blood and urine tests, in which, during the inflammatory process, an increase in the level of leukocytes, an acceleration of the erythrocyte sedimentation rate (ESR) in the blood, and an increase in leukocytes in the urine will be detected. Normally, there are no these changes; temperature is usually not associated with local pathological signs.

To diagnose the pathological process, it is necessary to undergo tests for specific flora. An ultrasound can give a picture of an enlarged uterus, the cause of endometritis is the remains of a fertilized egg or an IUD; with adnexitis - dilation of the fallopian tubes, the presence of free fluid - exudate. To diagnose adnexitis, laparoscopy is used, during which changes in the affected appendages can be seen. If you suspect the disease and have a pronounced clinical picture of PMS, you should consult a doctor to diagnose the condition.

Treatment

Treatment of abnormally high BT in the first half of the cycle depends on the reasons that caused it. If the problem is hormonal imbalance, high basal temperature in the first phase is treated with medication, through hormonal therapy with estrogen analogues. You can take medications containing female sex hormones only on the recommendation of a doctor after passing the appropriate tests.

If a high basal temperature during menstruation is caused by inflammation in the uterine mucosa, then treatment of endometritis is based on taking multivitamins, immunomodulators, anti-inflammatory drugs, as well as antibacterial drugs and antibiotics (metragyl, cephalosporins, gentamicin intravenously and intramuscularly).

It is best to inject medications directly into the uterine cavity. Mechanical cleaning of the uterine cavity and detoxification (blood purification) are also prescribed. A physiotherapeutic procedure such as electrophoresis is also effective. Therapy can be carried out on an outpatient basis or in a hospital (for advanced endometritis).

For inflammation of the ovaries and fallopian tubes, in addition to anti-inflammatory drugs (ibuprofen, indomethacin), antibiotics, including antifungal drugs and vitamins B, C and E, vaginal and rectal suppositories with antibiotics are often prescribed for local therapy.

In addition to conservative treatment methods, a woman with an adnexal tumor or endometritis may be prescribed surgery. If the suspicion of cancer is confirmed, chemotherapy is indicated.

Does body temperature change during the release of an egg?

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

In terms of axillary thermometry (that is, normal changes in the armpit), the changes are not very noticeable. By measuring the basal temperature (that is, in the rectum), you can ensure that the values ​​​​change during the release of the egg. The difference between these indicators in the same woman can reach 1.5°C.

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

For some, the norm is 36.0 °C, and for others, 36.7 °C. The thermometer readings are influenced by external and internal factors: lack of sleep, worries, nutrition, bad habits, physical activity and others. It is necessary to measure axillary temperature for at least 6-9 minutes with a mercury thermometer. The speed of an electronic device depends on its model. Temperatures are usually lower in the morning and rise in the evening. Therefore, measurements to assess biological processes should be carried out at the same time.

Immediately before the oocyte is released, luteinizing hormone is produced. It affects the sex glands and triggers the ovulation process. When the egg leaves the ovary, a dramatic change in hormonal levels occurs. The concentration of FSH and LH decreases and is replaced by the active production of gestagens. Increased temperature during ovulation may be an individual reaction to these biological processes. If the armpit thermometer shows 37, this may be a sign of ovulation.

If there are no additional complaints, there is no cause for concern. You should consult a doctor if your body temperature is 37 or higher for more than 2 weeks. If the indicator is 37.5 or higher, this already indicates a disease and is not associated with the release of the egg.

At the same time, the absence of a rise in temperature under the armpit does not mean that ovulation did not occur. Only basal measurements are indicative.

Inflammation of the appendages

Another reason for the increase in temperature in the first phase may be inflammation of the appendages. In this case, the temperature rises only for a few days in the first phase to 37 degrees, and then drops again. In such graphs, calculating ovulation is difficult, since such a rise “masks” the ovulatory rise. Look at an example of a graph that may indicate inflammation of the appendages:

The temperature in the first phase of the cycle from the 11th to the 15th day of the cycle remains at 37.0 degrees, the increase occurs sharply and also decreases sharply. A rise in temperature on the 9th day of the cycle can be mistaken for an ovulatory rise, but in fact it most likely indicates inflammation. That's why it's important to measure your basal temperature throughout your cycle to rule out the scenario of your temperature rising due to inflammation, then falling again, and then rising due to ovulation.

Hyperthermia as a sign of conception

Gynecologists assure that a slightly elevated temperature after the release of an egg from the ovary should not be a reason for panic. As a rule, the thermometer readings do not exceed 37 °C and do not cause discomfort. A woman may accidentally discover that her axillary temperature is slightly elevated. The reason is the production of the second phase hormone - 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 tissues. The hormone of the second phase acts on the autonomic system, as a result of which thermoregulation changes.

An increase in thermometer readings after ovulation occurs in all women of reproductive age after the establishment of a cycle, but the strength of the changes varies in intensity. The temperature after ovulation lasts for 1-2 weeks. The maximum amount of progesterone in the body is observed 6-8 days after the oocyte leaves the ovary. If conception does 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 slight changes in thermometer values. The secretory activity of the corpus luteum and the high concentration of the second phase hormone do not allow the temperature to drop. Therefore, elevated values ​​that persist for more than two weeks can indirectly be considered the first signs of pregnancy.

Gynecologists do not recommend placing high hopes on this symptom, since other circumstances may be the cause of hyperthermia. To confirm your suspicions, you need to wait until your next menstruation is missed and take a pregnancy test.

Basal temperature

To make sure that hormonal levels really affect the thermometer readings, you can monitor the increase in temperature during ovulation. Measurements are taken in the rectum with a special rectal thermometer. It is necessary to follow the rules so that the indicators are accurate: do not get up, do not turn on the lights, sleep for at least 6 hours.

You should start taking your temperature to determine ovulation immediately after your menstrual bleeding ends. At this time, under the influence of estrogens, BT will not exceed 36.3-36.6 °C. The results obtained must be recorded on paper and transferred to a graph. Refractions of the curve make it possible to visually evaluate the biological processes occurring in the body and divide the cycle into two phases.

A day before the release of the oocyte, the thermometer will show a decrease in values ​​by 1-2 tenths of a degree. During ovulation, basal temperature makes a rapid jump. Over the next 10-15 days, the thermometer readings are close to 37°C. The measurement must be taken before the next menstrual period. If they remain high on the day of expected bleeding, then there is a possibility of pregnancy. A woman's fever after ovulation persists throughout the first trimester.

Declining graph after fertilization

Low basal temperature in the second phase of the cycle

A low basal temperature in the second phase of the cycle, with a value less than 36.9°C, indicates a frozen pregnancy. This means that the fetus has stopped developing due to some reasons caused by:

• Infectious diseases;
• Problems with the uterus (endometriosis, fibroids);
• Underdevelopment of the embryo;
• Diabetes mellitus, thyroid disease;
• Hormonal disorders, lack of progesterone;
• The age of the expectant mother is over 30 years.

The disappearance of pregnancy symptoms will be an indirect sign of an ongoing deviation. This situation requires medical intervention. If measures are taken in a timely manner, the fetus can be saved.

Low basal temperature in the second phase of the cycle may indicate a frozen pregnancy, that is, fetal development can be stopped for several reasons: gynecological diseases, diabetes, thyroid disease or low progesterone levels.

High basal temperature in the second phase of the cycle

If the thermometer readings go beyond 37.0-37.5°C, this indicates a deviation in either the mother’s health or a problem with the child’s development.

But an even higher basal temperature is possible in the second phase of the cycle - up to 38.0°C. High levels indicate an inflammatory process in the body caused by an infection in the genitals, and possibly an ectopic pregnancy. When it occurs, a rupture occurs at the site of attachment of the fertilized egg, for example, the fallopian tube, which is accompanied by bleeding into the abdominal cavity, and this causes an increase in temperature.

An undetected frozen pregnancy may also show a rising graph as decomposition of the dead fetus begins. First, the numbers on the graph decrease, then increase, but to high values. This body fights intoxication caused by decay products of fetal tissue.

A high basal temperature in the second phase of the cycle may indicate the presence of an ectopic pregnancy.
The basal temperature of the second phase of the cycle is 37°C and slightly higher is considered normal. Even if conception does not occur, such temperature values ​​remain until menstruation, then they decrease. An increase in indicators during them, provided it is impossible to conceive, indicates endometriosis, inflammation of the uterine mucosa.

The basal temperature of the second phase of the cycle is 37°C, if there was sexual intercourse on the days of ovulation, this indicates pregnancy; this temperature can persist for a long time.

Other causes of hyperthermia

Thermometer readings up to 37 °C are considered normal. If a woman has a temperature of 36.9 °C during and after ovulation, this does not cause concern to doctors. Once the values ​​cross the acceptable threshold, there is cause for concern. It is worth noting that we are talking specifically about axillary body temperature, which is measured in the armpit. Basal indicators, as a rule, are always higher and have no diagnostic value in determining other pathologies.

The reason that elevated temperature persists during ovulation may be:

• infectious and inflammatory diseases of various localizations;
• cold;
• intoxication of the body due to poisoning;
• indigestion;
• taking medications;
• increased physical activity;
• stress and anxiety;
• chronic fatigue;
• autonomic disorders;
• neoplasms;
• sexual contact.

It is necessary to seek medical help if additional signs of the disease are present: pain in the abdomen, bleeding from the genital tract, nausea, weakness.

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

Confirmation of conception according to schedule

When sexual intercourse took place during ovulation and the woman registers an increased basal temperature in the second phase of the cycle, and does not fall the day before and after the delay, this is the first assumption of a successful pregnancy.

Symptoms and signs

To establish this fact, a test will help, which in such a situation will show two clear lines, as well as the addition of other signs:

• Nausea;
• Changes in taste preferences;
• Changes in mood;
• Enlargement and tenderness of the mammary glands.

Drop in basal temperature in the second phase of the cycle

Examining the graph, in some women you can see a slight drop in basal temperature in the second phase of the cycle, noted on days 7-10. This phenomenon indicates the attachment of the fertilized egg to the endometrial layer. This is how many days it takes for the embryo to reach the uterus after fertilization.

Embryo implantation causes a decrease in thermometer readings by a few tenths of a degree for just a day, then the numbers return to their original value and continue to remain almost at the same level. This phenomenon is individual and not every woman can mark it on her curve. Sometimes the process proceeds quite smoothly, without visible fluctuations.

The drop in basal temperature in the second phase of the cycle is due to the fact that attachment to the endometrial layer occurs in order to continue its path towards the uterus.