Question

Menstruation is triggered by an abrupt decline in the amount of ______.

Options

• Estrogen

• Progesterone

• LHG, FSH

• None of the above

Answer 1

Menstruation is triggered by an abrupt decline in the amount of Progesterone.

Explanation:

The corpus luteum secretes progesterone, which helps to keep the endometrium healthy. When the corpus luteum degenerates, the endometrium sloughs off due to a drop in progesterone.