Key Hormones in Pregnancy

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What is the role of Human Chorionic Gonadotropin (hCG) during pregnancy?
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hCG supports the corpus luteum, promoting the production of progesterone to maintain the uterine lining.
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Why is progesterone important during pregnancy?
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Progesterone maintains the uterine lining and prevents contractions, supporting fetal development.
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What changes occur in estrogen levels during pregnancy?
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Estrogen levels increase, aiding in the development of fetal organs and the mother's body preparation for childbirth.
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How does Relaxin affect the mother's body during pregnancy?
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Relaxin relaxes pelvic ligaments and softens the cervix, preparing for childbirth.
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What is the function of Human Placental Lactogen (hPL)?
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hPL adjusts the mother's metabolism to prioritize fetus glucose availability and supports mammary gland development.
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How does Oxytocin influence childbirth?
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Oxytocin induces uterine contractions during labor and promotes milk ejection during breastfeeding.
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What hormonal change signals the end of pregnancy?
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A decrease in progesterone levels and an increase in estrogen and prostaglandins facilitate the onset of labor.
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What role does Corticotropin-Releasing Hormone (CRH) play in pregnancy?
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CRH increases towards term, involved in timing the onset of labor and fetal maturation.
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How does Prolactin affect postpartum processes?
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Prolactin stimulates milk production in the mammary glands after childbirth.
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What is the impact of Thyroid hormones during pregnancy?
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Thyroid hormones support normal fetal brain development and regulate maternal energy metabolism.
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Why does Leptin increase during pregnancy?
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Leptin regulates energy balance, appetite, and weight gain during pregnancy.
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What is the role of Adrenocorticotropic hormone (ACTH) in pregnancy?
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ACTH promotes the production of corticosteroids, which are important for fetal lung maturation and maternal stress response.
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How do hormonal changes contribute to morning sickness?
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High levels of hCG and estrogen can contribute to the nausea and vomiting experienced in pregnancy.
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What is the effect of Melanocyte-Stimulating Hormone (MSH) during pregnancy?
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MSH increases during pregnancy, leading to changes like skin darkening on the face and abdomen.
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What purpose does Endorphins serve during pregnancy?
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Endorphins help manage pain and anxiety during labor, contributing to a sense of well-being.
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