Which of These Descriptions Could Be Associated with the Secretory

Multiple Choice

Which of these descriptions could be associated with the secretory phase of the uterine cycle?

A) low FSH → high estrogen → developing follicle → increase in uterine lining
B) high LH → high estrogen → developing follicle → uterine lining breakdown
C) decrease in LH → increase in progesterone → corpus luteum present → secretory uterine lining
D) decrease in LH → decrease in progesterone → corpus luteum present → secretory uterine lining
E) increase in LH → increase in progesterone → corpus luteum present → endometrium released