The menstrual cycle is a complex periodic process, consisting of phases, each of which has its own characteristics. As a rule, its duration is 28 days, but this parameter is individual and normally can be 21-35 days.

What are the phases of the menstrual cycle?

The whole cycle consists of 3 phases:

• follicular;
• ovulatory;
• luteal phase, each of which has its own characteristics.

Consider the phases of the menstrual cycle by day.

So, the first phase - follicular, has an average duration of 14 days. It begins with menstruation, i.e. in the first 4-5 days of this phase, spotting is observed. After that, the body begins to gradually prepare for a possible pregnancy. This increases the production of estrogen, which contributes to the growth of follicles, and also has a direct effect on the maturation of the egg. It is in this phase that the growth of a new epithelium begins, and a phased preparation of the uterus for implantation occurs.

If we talk about on which day of the cycle the ovulatory phase begins, then this is 14-15 days from the moment the menstrual discharge begins. Despite its short duration (about 3 days), this phase is very important for the formation of a new life. Immediately at this time, a mature egg cell, ready for fertilization, emerges into the abdominal cavity, i.e. ...

Speaking about on which day of the cycle the luteal phase begins, it should be noted that this period of time lasts from ovulation to the onset of a new pregnancy. It comes about 15-17 days from the beginning of menstruation. Its duration, on average, is 14 days.

At this time, the uterus is actively preparing to receive the egg. If fertilization occurs, after a while it is fixed in the uterine cavity. In the opposite case, there is a gradual rejection of the outer layer of the endometrium, and then a new cycle begins.

What else do you need to know about the menstrual cycle?

Having considered all the phases of the female menstrual cycle by day, it should be noted that, in fact, this or that phase does not always begin at the specified time. After all, each organism is individual. Moreover, the menstrual cycle itself is a rather delicate and complex process, the normal course of which depends on many factors, and it directly affects women's reproductive health and well-being in general.

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Usually, it is on mother's shoulders the need to tell her daughter about the physiological characteristics of the female sex and explain what menstruation is and how it proceeds. Next, let's talk about when girls should have their first periods and what it depends on.

The woman's body is a mystery of nature, it can be studied endlessly.

The menstrual cycle has a great influence on well-being and emotional background. The duty of every woman is to know about him and be able to feel her body.

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  1. What is the menstrual cycle?

  The menstrual cycle is usually called the period of time, the beginning of which is considered, and the end is the day before the next menstrual flow appears.

  This process is repeated every month for all healthy women, except for pregnant and breastfeeding women.

  Every month, nature prepares a woman for a potential pregnancy and does everything so that the fetus is in a comfortable and favorable environment in which it is possible to grow and develop harmoniously.

  When a girl is born, there are about 2 million eggs in her ovaries, but no more than 400 thousand of them remain by the time of puberty. During 1 cycle, as a rule, 1 egg is consumed.

  It is impossible to imagine a regular menstrual cycle without the involvement of brain structures and hormones.

  The sequence of events that occur during the normal cycle is due to the close relationship between the hypothalamus, anterior pituitary gland, ovaries and endometrium.

  On average, its duration is 28 days. But a cycle that lasts 21 to 35 days is also considered normal.

  If the cycle does not fit within these time intervals, this is not the norm. In this case, you should contact a gynecologist and undergo a comprehensive examination under his guidance.

  

  Figure 1 - Scheme of the phases of the menstrual cycle

  2. Phases of the cycle

  The menstrual cycle has several phases. The phases for changes in the ovaries and endometrium differ (see diagram in Figure 1 and table). Each of them has its own characteristics and characteristics.

  	Endometrial phase	Peculiarities	Signs
  Ovulation (1-2 days)	---
  Luteal (14 days +/- 2)	Secretory

  Table 1 - Phases of the menstrual cycle

  2.1. Follicular

  The very first phase of the menstrual cycle is called follicular. It starts on the 1st day of your period and ends on the day you ovulate.

  During menstruation, the surface layer of the uterine mucosa is rejected and bleeding begins.

  On the 1-3 day of the cycle, the uterus looks like a wound surface, these days it is large. By the 5th day, the thickness of the endometrium begins to grow.

  During the first phase, follicles mature in the ovaries under the influence of FSH (follicle-stimulating hormone).

  Initially, there may be several of them, but only one will complete the maturation process, becoming dominant (main).

  During this period, there is an active growth (proliferation) of the endometrium in the uterus under the influence of a high concentration of estrogens (mainly estradiol).

  Thus, the follicular phase in time correlates with menstruation and the phase of endometrial proliferation, that is, it covers 1-14 days.

  2.2. Ovulation

  It begins after a sudden surge of LH (luteinizing hormone). After the dominant follicle bursts, an egg comes out of it and begins its movement along the fallopian tube.

  If at this moment there is a meeting of the egg and the sperm, then the embryo is formed, and the woman can become pregnant.

  If this meeting does not happen, then the egg will die in about a day. Ovulation can be calculated and determined by the signs listed below:

  1. 1 The woman begins to experience strong sexual desire.
  2. 2 Basal temperature rises.
  3. 3, they become slimy, stringy, but remain light and are accompanied by other symptoms.
  4. 4 Moderate pulling pains may occur in the lower back.

  2.3. Luteal

  The second phase is characterized by the formation and growth of the corpus luteum at the site of the ruptured follicle. On average, it lasts 12-16 days. The corpus luteum prepares the body for pregnancy and produces progesterone.

  The maximum concentration of progesterone is observed 6-8 days after the formation of the corpus luteum (approximately 22 days of the cycle).

  The endometrium during this period thickens even more, only due to the formation of secretion by the uterine glands and an increase in the size of cells (the third phase of secretion). Its thickness at the end of the luteal phase can reach 12-14 mm.

  If conception does not occur, then the level of hormones (estrogen, progesterone, FSH, LH) gradually begins to decrease. Their minimum starts the onset of menstruation, a new cycle begins.

  This process is influenced by stress, bad habits and past illnesses.

  3. Causes of menstrual irregularities

  What causes the cycle to break?	Conditions and diseases
  	Hyperprolactinemia
  	Cushing's disease
  	Thyroid pathology
  Decreased endometrial quality
  Effects on the ovaries
  Impact on multiple links

  4. What should you pay attention to?

  Women should be attentive to their bodies. The ability to feel the changes taking place in him, to hear his signals, will help to avoid many difficult situations.

  What is not the norm, what warning signs should you pay attention to?

  1. 1 If more often than 1 time in 21 days, or less often than 1 time in 35 days, you should consult a doctor.
  2. 2 Profuse bleeding when 1 pad or 1 tampon is missing for 2 hours.
  3. 3 Bleeding also occurs.
  4. 4 Menses lasting more than 7 days.
  5. 5 During menstruation or during ovulation, they occur, which interfere with full-fledged work, study and daily activities.
  6. 6 are sharply expressed, reduce the quality of life.

  5. Why do you need a period diary?

  Now there is no need to start a special notebook for this. You can install an application on your phone and enter data regularly. Such a diary is needed to know the average time of one cycle.

  

  What does a menstrual calendar look like?

  If its duration changes dramatically, the diary will help to find out the nature of the violations.

  The diary will also help determine the date of the expected ovulation. This is especially important for those with fertility problems.

  Electronic applications suggest entering the start and end dates of your period on a monthly basis. Based on this data, they will automatically calculate your cycle length, ovulation time, unfavorable days for planning a baby, and when your next period starts.

  Some applications are not limited to this data, in them you can note how you feel on certain days (amount of blood secreted, symptoms, changes).

  All these data, if necessary, will facilitate the doctor's work and help to identify the causes of violations.

  The phase of the ovarian cycle and its duration	Endometrial phase	Peculiarities	Signs
  Follicular (average 14 days, ranges from 7 to 22 days)	Menstrual + proliferative	FSH stimulates the formation of follicles. An increase in the concentration of estrogen from 3-5 days, the growth of a renewed endometrium.	Begins at the same time as menstruation. Bloody discharge appears. A woman in the first days feels bad, she is worried about pain in the lower abdomen, pulls the lower back, her mood is low. After the end of menstruation, moderate or scanty discharge, the skin condition gradually returns to normal.
  Ovulation (1-2 days)	---	The sudden release of LH stimulates the release of the egg from the follicle. The movement of the egg along the fallopian tube.	Increased sex drive, moderate pain in the lumbar region, lower abdomen. The amount of light discharge increases, they become slimy, stringy or liquid. The skin under the influence of estrogen is clean, even and radiant. Increased basal temperature.
  Luteal (14 days +/- 2)	Secretory	The follicle transforms into a corpus luteum, the production of progesterone begins. The peak of its concentration falls on the 6-8th day after the formation of the corpus luteum.	In the middle of the phase, against the background of hormonal changes, some develop premenstrual syndrome. Its symptoms include swelling of the mammary glands, decreased mood, tearfulness or aggression, increased appetite, pulling pains in the lower abdomen, weight gain, edema, headaches, less often constipation, flatulence.

  What causes the cycle to break?	Conditions and diseases
  Anovulation (no normal ovulation)	PCOS (polycystic ovary syndrome), ovarian insufficiency
  	Hypothalamic syndrome, tumors and other diseases of the pituitary gland
  	Excessive training and physical activity
  	Eating disorders, anorexia nervosa, bulimia
  	Hyperprolactinemia
  	Cushing's disease
  	Thyroid pathology
  Decreased endometrial quality	Cancer, endometrial hyperplasia, endometritis, polyps, endometriosis (adenomyosis)
  Effects on the ovaries	Cysts, tumors, adnexitis, cancer
  Changing levels of hormone regulators	Improper use and selection of oral contraceptives, intrauterine systems, early menopause, taking tamoxifen, progesterone drugs
  Impact on multiple links	Inflammatory diseases of the cervix and vagina, including STDs (chlamydia, genital herpes, trichomoniasis, gonorrhea)
  	Taking medications (such as anticoagulants)
  	General somatic diseases: kidney, liver, adrenal glands, diabetes mellitus, inflammatory bowel disease, hemophilia and other diseases of the blood coagulation system, oncology, etc.

A woman's menstrual cycle includes several phases (follicular phase, ovulatory phase, luteal phase). Each woman has “her own” individual duration of the menstrual cycle, and, accordingly, the number of days of each phase is also different. To calculate the "safe" days when the ability to conceive is minimal, or, on the contrary, the most "dangerous" days, gynecologists recommend keeping a calendar of the female menstrual cycle, by which it is possible to determine all of its days. It is on the day of the menstrual cycle that not only the female fertility (the possibility of pregnancy) will depend, but also her psycho-emotional state.

About the phases of the menstrual cycle

The first day of your period is the first day of your period. In an ideal situation, a woman's menstrual cycle lasts 28 days.

There are four phases in the menstrual cycle:

• follicular phase;
• ovulatory phase;
• luteal phase;
• desquamative phase.

Follicular phase

The beginning of the follicular (proliferative) phase is the first day of menstruation. The duration of the first phase of a woman's menstrual cycle usually depends on its duration. On average (with a twenty-eight-day monthly cycle), the follicular phase lasts fourteen days, but it can range from seven to twenty-two days. In the first phase of the menstrual cycle, under the influence of the follicle-stimulating hormone of the pituitary gland, estrogens begin to be produced in the female ovary, providing the process of follicle growth and further maturation of the main (dominant) follicle among them, from which a mature egg will subsequently emerge, which is capable of fertilization. During the same phase, proliferative processes are carried out in the endometrium of the uterus, it begins its growth and thickening.

During the first or second day of the menstrual cycle, a woman usually feels aching pain in the lower abdomen, dyspeptic symptoms, headaches, and increased irritability are likely.

The third to sixth day of the menstrual cycle is often characterized by stabilization of the woman's mood, as well as her physical condition.

During the seventh-eleventh days of the menstrual cycle, the fair sex is in a wonderful mood, she is happy with her life, makes her plans for the future and the present.

Ovulatory phase

With a twenty-eight-day menstrual cycle, the ovulatory phase lasts from 36 to 48 hours, it occurs on the fourteenth to fifteenth day. During the ovulatory phase, the level of estrogen reaches its peak, which stimulates the production of luteinizing hormone in the pituitary gland, under the influence of which the dominant follicle ruptures.

After that, a mature egg comes out of it into the abdominal cavity. Then the level of estrogen begins to gradually decrease. During the ovulatory phase, a slight (usually one or two drops of blood on underwear) ovulatory bleeding is likely to appear.

The ovulatory phase is the most favorable period for conception (the egg is viable for twenty-four hours).

During the twelfth to fifteenth days of the menstrual cycle, a woman unconsciously monitors her appearance carefully, she becomes more passionate (due to increased sex drive), and also more feminine. She is feeling great.

Luteal phase

It should be noted that the luteal or secretory phase is more or less constant. It lasts on average (with a twenty-eight-day cycle) thirteen to fourteen days. After the rupture of the main follicle, its walls collapse. Then, at this place, the corpus luteum, producing progesterone, begins to form. The luteal phase takes place under the action of the pituitary luteinizing hormone. Under the influence of progesterone, the so-called secretory phenomena occur in the mucous membranes of the uterus, the endometrium at this time becomes edematous and then loosens (preparation for the probable implantation of a fertilized egg).

In the period of the eighteenth to twenty-second day of the monthly cycle, a woman feels wonderful, she has a surge of strength.

In the period from the twenty-third to the twenty-eighth day of the menstrual cycle, the fair sex begins premenstrual syndrome. A woman becomes moody, irritable, prone to tearfulness and depression. The mood is unstable and changes several times a day. The appearance of puffiness on the legs and face, pain in the lumbar region, swelling and tenderness of the chest is likely.

Desquamation phase

The last phase of desquamation is the rejection of the functional layer of the endometrium, or menstruation. The first day of your period or the first day of your period.

The second phase of the menstrual cycle is characterized by the willingness of the uterus to receive a fertilized egg. Its insufficiency leads to the impossibility of getting pregnant and carrying a child.

The main features of the second phase of the menstrual cycle

A woman's menstrual cycle is one of the most important indicators of her reproductive health, and not only reproductive - cycle disorders can occur in various diseases that are not directly related to the reproductive system. Normally, the cycle lasts 23–35 days and is divided into two phases. The first phase (follicular) lasts one to three weeks. The second phase of the menstrual cycle usually lasts two weeks. Ovulation occurs between the two phases.

The second phase is also called luteal, since it is at this time that the corpus luteum begins to form, the purpose of which is to support 12-14 days of pregnancy. But first things first.

As you know, the first half of the cycle begins on the first day of menstruation and continues until the moment of ovulation. At this time, a follicle matures in the woman's ovaries, from which the egg will come out, and the body as a whole prepares for future pregnancy.

After the maturation of the follicle, its walls burst, an egg comes out of it, heading to the ampulla of the fallopian tube, where fertilization should take place. This moment is called ovulation. After that, the second phase of the cycle begins.

What happens during the second phase

It usually lasts about 12-16 days, regardless of the length of the cycle. After the release of the egg, the so-called corpus luteum is formed in its place in the follicle. The process is stimulated by luteinizing hormone, which is produced by the pituitary gland. The main purpose of the corpus luteum is the production of progesterone, and in less estrogen.

These female sex hormones are essential to maintain pregnancy during the first weeks. Progesterone is especially important, the most important functions for pregnancy of which include:

• increasing the sensitivity of the endometrium for implantation of the ovum;
• relaxation of the muscles of the uterus;
• stimulation of the growth of the uterus;
• decreased immunity;
• deposition of subcutaneous fat;
• cessation of menstruation.

If pregnancy has come, in the future the necessary hormones are produced by the woman's body and the placenta, and the corpus luteum is gradually destroyed. However, it is destroyed in any case about 14 days after ovulation. If there is no pregnancy, then this is a signal to "reboot the system." That is, menstruation begins (exfoliation of the old layer of the endometrium) and everything repeats.

Violations of the second phase of the cycle

As mentioned above, this half of the cycle lasts about 2 weeks and is characterized by high levels of progesterone in the woman's body. However, in a number of disorders, the level of progesterone can be reduced or, conversely, increased. In the first case, they talk about a short second phase, in the second - about a long one. If we talk about the desired conception, both violations are critical. And for gestation, the more serious problem is the short second phase of the cycle.

Short luteal phase

The second name of this disorder is (NLF), and it is caused by the fact that the corpus luteum formed in the follicle produces an insufficient amount of progesterone.

How long can the luteal phase last with this disorder? Doctors diagnose NLF when the second part of the cycle decreases to 10 days or less.

The reasons for this pathology may be different:

• disturbances in the hypothalamus, pituitary gland or ovaries;
• decreased sensitivity of the endometrium to progesterone;
• metabolic disease;
• malnutrition;
• circulatory disorders;
• genetic, immune factors.

Such a violation is manifested, first of all, by habitual miscarriage or prolonged infertility. The diagnosis is confirmed after examining the hormonal status, ultrasound, endometrial biopsy.

Infertility and miscarriage occur due to the fact that, with an insufficient level of progesterone, the endometrium in the uterus is less loose than required for successful implantation of the ovum. A miscarriage occurs due to the reason that the muscles of the uterus are toned, immunity does not decrease, therefore, the rejection of the ovum as a foreign body is possible.

Treatment should be comprehensive, aimed at restoring body functions. Only hormone replacement therapy may not give the expected result.

Long luteal phase

How long can the second half of the cycle last with such a violation? The numbers vary, but if it lasts much more than two weeks, we can talk about pathology.

The long second phase is characterized by increased progesterone levels. In this case, the manifestations of the violation are similar to the signs of pregnancy - amenorrhea occurs or the cycle becomes too long, the body weight increases, and is also increased.

There may be a disruption of the gastrointestinal tract, frequent headaches, sweating, increased skin greasiness, irritability and other symptoms characteristic of pregnancy, but the woman is not pregnant, which is confirmed by tests and ultrasound.

The reasons include:

• failure of the adrenal glands;
• bleeding in the uterus of various etiologies;
• renal failure;
• corpus luteum cyst.

Of course, the long second phase of the menstrual cycle requires treatment, and not independent, but professional. For success, it is necessary to find out the cause of the problem and direct therapy to eliminate it. There are many different techniques, and in each case, a different therapy regimen is selected.

Prevention of violations

Yes, in some cases, if we are not talking about congenital pathologies, it is possible to prevent such cycle failures. The methods are very simple and accessible to every woman. First of all, you need a nutritious diet, including vegetable fats, moderate physical activity, and, in general, a healthy lifestyle.

Attentive attitude to women's health (prevention of infectious, inflammatory diseases of the genital organs), taking contraceptives only on the recommendation of a doctor, timely referral to specialists for various diseases - that's all that will help to avoid problems with the menstrual cycle. Accordingly, with conception, gestation too.

The female body undergoes cyclical changes. Men cannot boast of this. Each representative of the fair sex should have an idea of ​​what the cycle of menstruation is, how long it lasts and what divisions it has. If you still don't know this, then it's time to get to know a woman's body better.

Menstrual cycle

To begin with, it should be said that this period has a beginning and an end. The duration of the menstrual cycle directly depends on the hormonal background of the woman.

The first menstruation occurs in girls from 12 to 18 years old. Since that time, every month the body of the fairer sex will undergo cyclical changes. This is due to the work of the adrenal glands and the pituitary gland. Also, the ovaries play an important role in the duration of the female cycle.

Length of the menstrual cycle

The female cycle can be of different lengths. Until a woman is planning a pregnancy, she rarely pays attention to the length of this period. However, your period should always be closely monitored.

It is worth noting that the first day of the cycle is the one when the bloody discharge from the genital tract began. The last day is the day before the start of a new female period.

Normal cycle

In a healthy woman, the average menstrual cycle lasts four weeks. In some cases, there may be deviations in one direction or another. Cycle times ranging from 21 to 35 days are considered normal.

At the same time, spotting in the fair sex is moderate and lasts no more than seven days. The minimum bleeding time should be three days.

Short cycle

A woman's menstrual cycle is considered short when the period between the onset of the first and second menstrual period is less than three weeks.

Quite often, women with a shortened cycle have hormonal conditions that need to be treated. Menstruation in this case lasts from one to five days.

Long cycle

A period that is more than 35 days in length is considered to be abnormally long. In this case, the fairer sex is often faced with problems of the luteal phase of the menstrual cycle. Usually these ailments are expressed in hormone deficiency during this period. This leads to the inability to conceive a child.

The duration of menstrual bleeding in a long cycle can vary from a few days to two weeks. Correction in this case is necessary. Otherwise, more serious health problems may begin.

How is the cycle divided?

This period has two phases:

• Phase 2 of the menstrual cycle.

There is also a third period, but it occurs only when conception occurs. The phases of the menstrual cycle are very different from each other.

The first part of the cycle

This period is called the follicular phase. This name is generally accepted and better known. There are also the following names: folliculin, polyferative period. This period of time lasts an average of two weeks. But this value can range from one to three weeks. All this is a variant of the norm and does not require medical intervention.

This period of time begins when menstruation begins. From this point on, the pituitary gland produces follicle-stimulating hormone. It has a beneficial effect on the endometrium and helps to restore the inner layer of the genital organ after menstrual bleeding. FSH also has a tremendous effect on the ovaries. In these organs, bubbles called follicles begin to grow. Approximately by the middle of the cycle, one (less often two or three) dominant vesicles are released, which will subsequently release the egg.

In the first phase of the female cycle, most hormones are tested. The material is taken from the third to the fifth day of this period.

It should be noted that during this period, changes occur not only within the female body. A representative of the fair sex can note that the discharge from the genital tract is rather scanty and thick. Also at this time, the basal temperature is kept at a low level. The average value on the thermometer is from 36 to 36.5 degrees.

The phases of the menstrual cycle change exactly when ovulation occurs. During this period, the pituitary gland begins to actively produce luteinizing hormone. This substance affects the grown follicle, and the bubble ruptures. It is from this second that the second phase of the menstrual cycle begins.

Second part of the cycle

As soon as the ovum leaves the ovary, the pituitary gland changes its work somewhat. At this moment, it is the turn of the ovaries to secrete the desired substance. In the place where the dominant follicle was previously, a new vesicle forms. It is called the corpus luteum. Such a neoplasm is necessary for the normal course of the female cycle. The corpus luteum produces the hormone progesterone. This substance supports the vital functions of the egg and has a general effect on the entire body.

Also, after the change in the phase of the menstrual cycle, active growth of the inner lining of the genital organ begins. Blood circulation increases, and blood vessels grow. The endometrial layer becomes larger every day and reaches its maximum about one week after ovulation. During the same period, the level of progesterone has a maximum value. If it is necessary to pass an analysis and identify its quantity, then this should be done exactly one week after the rupture of the follicle.

Vaginal discharge during this period is creamy, and there are a lot of them. This is all completely normal and does not require treatment. The only exceptions are those cases when unpleasant sensations join the discharge: itching, burning or pain. It is also necessary to see a doctor if the mucus has acquired an unpleasant odor or an unusual color. Basal temperature in this period rises from the moment the follicle ruptures. This is due to the effect of progesterone on the body. The average thermometer is 37 degrees. In addition, the woman notes an increase and increase in the sensitivity of the mammary glands.

In the event that fertilization has occurred, the third phase of the female period begins. In the absence of pregnancy, the periods of the menstrual cycle change again, and menstruation begins.

The duration of the second phase is ten to fourteen days. It does not affect the duration of the cycle. Different variations may be due to the divergence of the first half of the female period. If the progesterone phase has fewer days than 10, then this indicates a hormone deficiency. In this case, the woman needs to undergo an examination and begin a course of taking corrective drugs.

Violation of the duration of the female cycle

As discussed earlier, the cycle can be long or short. Any deviation from the norm must be treated.

It is also worth noting that the female period should always be stable. The discrepancy in the duration of the cycle should be no more than three days. For example, if a woman has a period of 25 days, then this is normal. But if next month this period is 32 days, then this is already a deviation and a failure in the body.

Sometimes a failure in the cycle can occur due to the formation of functional cysts. There is nothing wrong with that. Most often, these tumors resolve on their own. If this phenomenon occurs quite often, then the woman needs to investigate the phases of the menstrual cycle. This can be done with a blood test. Laboratory technicians will determine the level of hormones in your body and give the result.

Treatment of violations of the duration of the female cycle

Most often, hormonal drugs are chosen for correction.

If a woman is planning a pregnancy, then she is prescribed medications to support the second phase. They also have a beneficial effect on hormones produced by the pituitary gland. Most often, doctors recommend Progesterone injections, Utrozhestan vaginal suppositories or Duphaston pills.

In the event that a representative of the fair sex does not plan to give birth in the near future, she may be recommended to take oral contraceptives. Depending on the results of the study of the hormonal background, the doctor may prescribe tablets "Diane-35", "Logest", "Novinet" and others. There are a great many similar drugs in our time. A competent specialist will select what is right for you.

Conclusion

If you have an irregular menstrual cycle, do not waste time, but go to see a doctor. You may need only minor hormonal adjustments right now. In the event that the disease is started, irreparable problems with women's health may begin.

In the case of planning a pregnancy, it is necessary to know in advance everything about the phases of the menstrual cycle, their duration and properties. In this case, your baby will not be long in coming, and conception will take place in the near future.

Monitor your well-being and be always healthy!