The hormonal trigger for menstruation involves a
A)drop in plasma luteinizing hormone (LH).
B)reduction of plasma follicle- stimulating hormone (FSH).
C)loss of estrogen secretion from the adrenal cortex.
D)reduction of inhibin secretion.
E)loss of progesterone secretion from the corpus luteum.

Question

Quizplus · Accepted Answer

The hormonal trigger for menstruation is primarily the loss of progesterone secretion from the corpus luteum, which leads to the shedding of the uterine lining.

The Hormonal Trigger for Menstruation Involves a