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Hormonal Changes During Pregnancy
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Hormonal Changes During Pregnancy

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Questions and Answers

During pregnancy, which of the following is true about renal physiology?

  • GFR remains the same throughout pregnancy
  • Renal plasma flow decreases due to a decrease in plasma volume
  • Increased GFR leads to an increase in the filtered load of glucose (correct)
  • Creatinine clearance decreases due to an increase in plasma volume

    • What is the effect of increased Thyroid binding globulin (TBG) in pregnant women?

  • Total T3 and T4 levels decrease due to increased TBG
  • Total T3 and T4 levels remain the same despite increased TBG
  • Free T3 and T4 levels decrease due to increased TBG
  • Free T3 and T4 levels remain the same despite increased TBG (correct)

    • What happens to levothyroxine requirements during pregnancy in patients with hypothyroidism?

  • Levothyroxine requirements remain the same during pregnancy
  • Levothyroxine requirements decrease during pregnancy
  • Levothyroxine requirements increase during pregnancy (correct)
  • Levothyroxine is contraindicated during pregnancy

    • What is the primary effect of oxytocin in lactation?

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

    What is a retrospective diagnosis of menopause based on?

    <p>12 months of amenorrhea</p> Signup and view all the answers

    Which hormone shows a progressive rise during pregnancy and is responsible for the relaxation of smooth muscles including the bladder?

    <p>Progesterone</p> Signup and view all the answers

    What leads to the physiological adaptation of hypercoagulability during pregnancy to decrease blood loss at delivery?

    <p>Increased clotting factors</p> Signup and view all the answers

    Which hormone peaks in the first trimester but continues to be secreted throughout pregnancy?

    <p>hCG</p> Signup and view all the answers

    Which factor contributes to the decrease in blood pressure in the first 24 weeks of pregnancy?

    <p>Progesterone-mediated smooth muscle relaxation</p> Signup and view all the answers

    Which hormone demonstrates the greatest plasma levels in the latter part of pregnancy and is responsible for various metabolic effects?

    <p>hPL</p> Signup and view all the answers

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