What prevents new ovarian follicles from developing and suppresses uterine contractility?

What prevents new ovarian follicles from developing and suppresses uterine contractility?

• Correct Answer: progesterone
• estrogen
• germination
• glucose

Explanation: 28.4 Maternal Changes During Pregnancy, Labor, and Birth Hormones (especially estrogens, progesterone, and hCG) secreted by the corpus luteum and later by the placenta are responsible for most of the changes experienced during pregnancy. Estrogen maintains the pregnancy, promotes fetal viability, and stimulates tissue growth in the mother and developing fetus. Progesterone prevents new ovarian follicles from developing and suppresses uterine contractility. Pregnancy weight gain primarily occurs in the breasts and abdominal region. Nausea, heartburn, and frequent urination are common during pregnancy. Maternal blood volume increases by 30 percent during pregnancy and respiratory minute volume increases by 50 percent. The skin may develop stretch marks and melanin production may increase.

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