The dominant follicle in the ovary: peculiarities of

Reproductive system women is a very complex and harmonious «structure». There is nothing accidental can not be. For a woman in any period of the year were ready to make a child, nature has created the ovulation. So is the process when the egg leaves the ovary. Do not underestimate the role of the follicle in the process. Because the follicle is a place where you receive and Matures the egg.

In the outer layer of the ovaries is a lot of follicular cells. During each ovulation, a part of them grow and develop. It soon becomes discernible dominant follicle the right ovary (he’s bigger than his «brothers»). A lot of the rest of the cells becomes atresia – back development.

The dominant follicle grows rapidly and eventually burst, releasing the Mature oocyte. If sperm fertilizes this egg is going to conceive.

As it develops

It is known that the folliculogenesis (the process by which the follicle from the «embryonic» stage develops to the preovulatory) maybe only Mature girls. At the beginning of the menstrual cycle is impossible to predict which follicle will become dominant (recall that the first day of the cycle is the day when a woman’s period, and the last day of the preceding menstruation). Consider what happens to the female ovaries before ovulation:

  • On the fifth – seventh day of the cycle without exception, all follicular cells are small (their diameter is about five millimeters). They are surrounded by a connective sheath.
  • In the eighth, the tenth day of the cycle the dominant follicle is clearly visible. Its size is about thirteen to fifteen millimeters. Within this education will be to develop the egg. This «leading» follicle often appears in the right reproductive gland in women. But it can also appear in the left ovary.
  • The eleventh to thirteenth days – the period of active growth of the dominant follicle. This «house» for an egg can grow a few millimeters a day. And the other follicular cells are reduced and soon disappear.
  • In the fourteenth to sixteenth day of the cycle falls ovulation. By this time, the size of the «champion» is about twenty millimeters in diameter (and sometimes more). Then the follicle bursts, the egg comes out of it.
  • Follicle, «released» of its contents, begins to change. Soon on its place there is a yellow body. And in the space behind the uterus there is a small amount of liquid.
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The wise strategy of nature

It would be wrong to think that the follicular cells appear in adult daughters of eve «from the air». Reproductive system girls begins to develop even before the baby is born. Set a constant number of follicular cells in the ovaries. It ranges from fifty to two hundred thousand. Adult ladies it is impossible to increase this stock.

It is easy to guess that during a woman’s life to Mature in time not all follicles that gave her nature. Therefore, part of these cells are absorbed in infancy. This process stops to two years to resume again in five to seven years.

When the girl begins to form in the girl, follicular cells begin to Mature. As a consequence, we ladies begin to go monthly.

The most important task that nature has assigned to the follicles – to protect the eggs within them, from all adverse effects. In addition, these cells produce the female hormone estrogen. For a month women have one follicle Matures. Very rarely two follicles may become dominant.

The absence of follicles can be caused by a hormonal «crash» in the body ladies. It is not excluded and the beginning of early menopause – often its victims are women younger than forty years. This situation will be reflected in the monthly (long stay). The woman who noticed unwanted changes in health, it is important not to delay the trip to the gynecologist. Otherwise, its chances of becoming a mother will decrease significantly (or disappear altogether).

Without ultrasound – not enough

When the gynecologist the task is to determine whether a woman to conceive a child, and uses the capabilities of ultrasound. On ultrasound the doctor watches, where you can see the dominant follicle, what size it reaches. This procedure is called folliculometry.

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Ultrasonography will need to do several times. For the first time a woman comes into the office ultrasound in the eighth, the tenth day of the cycle. The main object of the observations of the specialist becomes the dominant follicle, resulting in the left or right ovary ladies. The following studies will be held every two days – until the moment when will be confirmed the beginning of ovulation.

The doctor finds out the exact time of ovulation, evaluate the characteristics of the corpus luteum. Special preparation for the ultrasound procedure would be required. If the sensor will «look» through the tissues of the abdomen, you will need the procedure to fill the bladder. And when transvaginal study of fluid in the bladder should not be.

Most issues arise when the egg from his refuge not left (i.e., ovulation has not taken place). To understand what led to such a violation, it is necessary to continue research as long as girls don’t start menstruating. It is important to determine what causes the hurt to happen the ovulation, and also to understand what happened with the follicle further. If he fell and is lost, the situation is not too alarming. More problems a woman can deliver a persistent follicle – the one that didn’t bulirova, but continues to evolve. He may become a follicular cyst.

That could affect the development of the «leader»

Monthly in the gonads ladies Matures several follicles. One of them becomes dominant. Surveillance experts confirm that this often occurs «leading» follicle in the right ovary of the lady. There is nothing strange – Mature women right sex gland more active.

However, the left ovary also successfully produces «houses» with eggs. The main thing – that every month in the background smaller follicular cells formed a large. If this follicle has released a ripened egg – ovulation is successful.

Irregular menstruation prolonged and unsuccessful attempts to get pregnant – key signs that ladies have issues with ovulation. There are several factors that block the development of large follicular cells:

  • Oral contraceptives. Contraceptives may affect follicular development. Fortunately, this action of the pill are reversible. Enough to the lady to refuse contraceptives, and after a couple of months ovulation will be restored.
  • Hidden infections.
  • Diseases of the thyroid gland. Situation when thyroid function is reduced or increased, negatively affect not only the sexual sphere, but also on the entire body ladies.
  • Excessive production of hormone prolactin.
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These factors can significantly reduce the reproductive capabilities of ladies. But fortunately, many of the violations in the female body is able to eliminate the medicine. The main thing – time to find out what prevents ovulation.

A return to the norm

When the woman in the gonads very small follicles – it’s not normal. Excessive number of them also can cause the doctor doubts about the health of the female ovaries. If the lady is not formed the dominant follicle, the egg is not Mature, and not go month – it is obvious that irregularities in her genital area serious. But in most cases they are repaired correctly selected drugs.

If the survey confirms the presence of a persistent follicle in women, the doctor will prescribe her a course of hormones. The situation when the dominant follicle of the ladies does not develop, also requires competent treatment. The patient with such a breach of prescribed medications that stimulate ovulation. The effectiveness of the treatment can be judged by ultrasound studies (they show that there is dominant follicle in one of the sex glands).