Menstruation Is Triggered by

question 128

Multiple Choice

Menstruation is triggered by

• A) reduced secretion of estrogen and progesterone from the corpus luteum.
• B) implantation of a fertilized ovum in the uterus.
• C) androgens from the adrenal cortex.
• D) estrogens from the adrenal cortex.
• E) increased secretion of estrogen and progesterone from the corpus luteum.

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