Biology 5090 · O Level · Sexual reproduction in humans

Sexual reproduction in humans — practice question

The hormones regulating the menstrual cycle are secreted in different amounts at different times in the cycle. In pregnancy, menstruation does not occur and no eggs are produced or released. What would be the levels of hormones FSH, LH and progesterone during pregnancy?

  • AFSH high, LH low, progesterone low
  • BFSH low, LH low, progesterone high
  • CFSH high, LH high, progesterone high
  • DFSH low, LH high, progesterone low

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