What is the role of hormones during pregnancy?

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giorgiana1976 | College Teacher | (Level 3) Valedictorian

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Many hormones influence the functioning of the body during pregnancy. Among them there are:

-Gonadotropin -this hormone is secreted only during pregnancy, first by the ovaries and later by the placenta. Increased secretion of gonadotropin during the first trimester of pregnancy can cause nausea and vomiting. This hormone prevents the release of other eggs and stimulates the secretion of estrogen and progesterone.

- Placental hormone -this hormone, produced by the placenta, ensures proper development of the fetus and stimulates the mammary glands during pregnancy.

- Estrogen -this hormone is responsible for the developing of female sexual characteristics. It is usually secreted by the ovaries, but also by the placenta during pregnancy, helping to maintain the normal course of pregnancy.

- Progesterone -this hormone is secreted by the ovaries and by the placenta, during pregnancy time. It stimulates the thickening of the uterine wall, before an embryo fixing. During pregnancy, progesterone is responsible for functioning the placenta. Secretion of progesterone will decrease at the end of nine months for the labor to be installed.

Other hormones involved in pregnancy and lactation is prolactin.Cortisol and insulin are also involved in mammary secretion.

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raid1802 | (Level 1) Honors

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The changes in hormone levels in pregnant women are truly profound.  Most men find it difficult to fully comprehend what is causing all these changes from mood swings to constipation, extra sleep to food cravings.

Quite simply, it is the effect of various hormones that is the main contributor to these changes in a woman, but more than that, it's these very same hormone changes that enable her to carry the baby for nine months and assist it to develop.

Estrogen is the hormone responsible for the healthy development of your female sexual characteristics such as your breasts, vagina, your menstrual cycle, body shape, and hair growth under the arms and around the pubic region. It also regulates the release of the ovarian eggs and works with progesterone to stop the ovulation cycle during when you get pregnant. Particularly for women, this hormone is necessary in the proper development of the bone and the metabolic processes.

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