In short, to answer this question, the answer will sound like this: as soon as a woman becomes pregnant, half of her hormones undergo significant changes, plus new ones appear during pregnancy. Moreover, during pregnancy, the hormonal background undergoes changes several times due to the fact that hormones are adjusted to one or another stage of fetal development.
Yekaterina Svirskaya, obstetrician-gynecologist from Belarus, says that the role of hormones during pregnancy plays one of the most important values. The successful course of pregnancy and the full development of the fetus depend on them. And in general, we have the ability to reproduce thanks to hormones.
A non-pregnant woman, like any person, has more than a hundred hormones in her body. But as soon as the egg is introduced into the uterus, a new organ begins to form, called the human chorionic gonadotropin, or simply the chorion. It is he who produces the first pregnancy hormone and he also makes it easy to determine the onset of pregnancy with the help of a test. As soon as the chorion appeared, its hormone immediately begins to be excreted in the urine, by which we determine whether the fetus has set in the uterus.
Chorion formation is an X-hour for the body for further restructuring in connection with the new position. All other hormones, which normally perform their routine work in women, begin to acquire additional functions.
For example, estrogens are hormones of femininity and attractiveness. They reach their highest level during the reproductive period of the fair sex. With age, their level decreases inexorably.
As soon as a woman becomes pregnant, the level of estrogen increases thirty times! They intensify their activities to influence the development of the fetus. With their help, the mammary glands are enlarged, they help the lactic flow to develop, thus helping the body prepare for lactation.
At the next stage of pregnancy, not without the help of these hormones, the size of the uterus increases and the body begins to prepare for childbirth.
Progesterone is a hormone that is produced in both the male and female body. In the male, it happens in the testes, in the female, in the ovaries. Progesterone is responsible for the normal functioning of the genital area. After conception, this hormone is responsible for carrying the fetus.
But before getting pregnant, a woman must learn to take care of her hormonal background: less activity, more walking, a relaxed state, then estrogens, progesterone, and all other hormones will do everything to make conception take place, says the candidate of medical sciences, gynecologist-endocrinologist of the Healthy generation "Natalia Nazarova.
Placental lactogen is a hormone that is produced by the placenta (it is formed at a certain stage of pregnancy). It has many functions. One of the main ones is to rebuild the metabolism in the body. They now have to provide everything necessary for the fetus and at the same time maintain the normal condition of the mother.
When a woman becomes pregnant, the production of the thyroid hormone, thyroxine, sharply increases. Thus, he designates his participation in the laying and formation of all organs of the future person. The nervous system is laid in the same period. It is with an increase in the level of thyroxine that doctors associate the irritability of pregnant women, insomnia, and tearfulness.
There are a number of hormones that, in the most crucial period, women "retreat" from their basic functions, focusing on the restructuring of the body for bearing the fetus. Among them is relaxin, which accumulates in the ovaries and placenta in the last weeks of pregnancy, preparing to relax the cervix at the time of childbirth.
Oxytocin - causes contractions of the muscles of the uterus, or simply - contractions. By the way, scientists from Harvard Medical School and other medical research centers in Boston conducted research on the effect of oxytocin on the body of women in the absence of pregnancy. A group of faces was shown photos of people and asked to rate them. Under the influence of oxytocin, the women were more benevolent and gentle in their assessments than the men who took part in the experiment. On them, for some still inexplicable reason, oxytocin acts exactly the opposite: men who took this hormone gave sharper estimates and showed increased aggressiveness.
Mineralocorticoids and glucocorticoids are hormones produced in the adrenal glands. They regulate the water-salt balance, suppress the immune system (which prevents the rejection of the fetus). The same hormones are the "culprits" of undesirable effects: thinning of the skin and its pigmentation, the formation of stretch marks on the skin, increased hair growth on the body.
Scientists have identified all the hormonal relationships during a woman's pregnancy, which only in aggregate can ensure the normal development of the fetus and a safe resolution during childbirth.
After childbirth, it is the restructuring of hormones that helps a woman return to a normal state, when the body focuses on ensuring the vital functions of one body.
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