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MMLU-Pro / 3296 / What hormonal changes occur during the delivery of an infant (parturition)?

Problem

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question

What hormonal changes occur during the delivery of an infant (parturition)?

category

biology

options

  1. There are no significant hormonal changes during parturition
  2. The thyroid hormones decrease dramatically to slow down metabolism during labor
  3. A significant increase in testosterone levels occurs to facilitate labor
  4. A shift in the balance of estrogen and progesterone occurs, the secretion of estrogen by the placenta rises sharply, oxytocin is released, relaxin loosens the connections between the bones of the pelvis, and prostaglandins stimulate the smooth muscle of the uterus.
  5. Insulin secretion increases to provide more energy for the labor process
  6. Growth hormone levels peak to enhance uterine muscle contractions
  7. Cortisol levels drop to reduce stress and pain during delivery
  8. Adrenaline levels decrease to allow for muscle relaxation and dilation of the cervix
  9. The level of progesterone increases significantly
  10. The secretion of relaxin decreases to tighten the connections between the bones of the pelvis

src

stemez-Biology

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