Key Hormones in Pregnancy

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What is the role of Human Chorionic Gonadotropin (hCG) during pregnancy?

hCG supports the corpus luteum, promoting the production of progesterone to maintain the uterine lining.

Why is progesterone important during pregnancy?

Progesterone maintains the uterine lining and prevents contractions, supporting fetal development.

What changes occur in estrogen levels during pregnancy?

Estrogen levels increase, aiding in the development of fetal organs and the mother's body preparation for childbirth.

How does Relaxin affect the mother's body during pregnancy?

Relaxin relaxes pelvic ligaments and softens the cervix, preparing for childbirth.

What is the function of Human Placental Lactogen (hPL)?

hPL adjusts the mother's metabolism to prioritize fetus glucose availability and supports mammary gland development.

How does Oxytocin influence childbirth?

Oxytocin induces uterine contractions during labor and promotes milk ejection during breastfeeding.

What hormonal change signals the end of pregnancy?

A decrease in progesterone levels and an increase in estrogen and prostaglandins facilitate the onset of labor.

What role does Corticotropin-Releasing Hormone (CRH) play in pregnancy?

CRH increases towards term, involved in timing the onset of labor and fetal maturation.

How does Prolactin affect postpartum processes?

Prolactin stimulates milk production in the mammary glands after childbirth.

What is the impact of Thyroid hormones during pregnancy?

Thyroid hormones support normal fetal brain development and regulate maternal energy metabolism.

Why does Leptin increase during pregnancy?

Leptin regulates energy balance, appetite, and weight gain during pregnancy.

What is the role of Adrenocorticotropic hormone (ACTH) in pregnancy?

ACTH promotes the production of corticosteroids, which are important for fetal lung maturation and maternal stress response.

How do hormonal changes contribute to morning sickness?

High levels of hCG and estrogen can contribute to the nausea and vomiting experienced in pregnancy.

What is the effect of Melanocyte-Stimulating Hormone (MSH) during pregnancy?

MSH increases during pregnancy, leading to changes like skin darkening on the face and abdomen.

What purpose does Endorphins serve during pregnancy?

Endorphins help manage pain and anxiety during labor, contributing to a sense of well-being.

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