Maternal-Fetal Unit: Hormonal Changes During Pregnancy
10 Questions
1 Views

Maternal-Fetal Unit: Hormonal Changes During Pregnancy

Created by
@SatisfyingOstrich1298

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

Which hormone is primarily responsible for preventing premature uterine contractions and expulsion of the fetus during pregnancy?

  • Estrogen
  • Human chorionic gonadotropin (hCG)
  • Progesterone (correct)
  • Luteinizing hormone (LH)

    • What is the primary source of estrogen and progesterone during the first two months of pregnancy?

  • The placenta
  • The maternal ovaries
  • The corpus luteum (correct)
  • The fetal adrenal glands

    • Which hormone secreted by the trophoblast cells is responsible for maintaining the corpus luteum and its steroid production during early pregnancy?

  • Oxytocin
  • Human chorionic gonadotropin (hCG) (correct)
  • Prostaglandin F2α
  • Relaxin

    • What is the primary function of estrogen during pregnancy?

    <p>Stimulating uterine muscle growth</p> Signup and view all the answers

    Which hormone is primarily responsible for initiating parturition (labor and delivery)?

    <p>Prostaglandin F2α</p> Signup and view all the answers

    What is the proposed mechanism behind the "placental clock" theory of parturition initiation?

    <p>Increased production of prostaglandins by the placenta</p> Signup and view all the answers

    Which hormone is primarily responsible for stimulating fetal adrenal steroid production, leading to increased estrogen and prostaglandin levels that contribute to parturition?

    <p>Adrenocorticotropic hormone (ACTH)</p> Signup and view all the answers

    What is the primary function of prostaglandins in the initiation of parturition?

    <p>Stimulating uterine contractions</p> Signup and view all the answers

    Which of the following statements regarding the role of the fetal adrenal glands in parturition is correct?

    <p>Fetal adrenal steroid production stimulates placental estrogen synthesis</p> Signup and view all the answers

    What is the proposed mechanism behind the "fetal cortisol surge" theory of parturition initiation?

    <p>Increased fetal cortisol production stimulates placental prostaglandin synthesis</p> Signup and view all the answers

    More Like This

    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser