Question

the graph shows the changing levels of hormones during menstruation and ovulation. in general, what happens to the hormone levels between days 21 and 27, just prior to menstruation if the egg was not fertilized? hormone levels generally decrease. hormone levels generally rise. hormone levels remain the same. hormone levels go in two different directions.

Explanation:

If the egg is not fertilized, the corpus luteum degenerates. As a result, the production of progesterone and estrogen (key hormones in the menstrual cycle) decreases, leading to a drop in hormone levels prior to menstruation.

Answer:

A. Hormone levels generally decrease.