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

Question

Quizplus · Accepted Answer

During the secretory phase of the uterine cycle, the corpus luteum (formed from the collapsed follicle after ovulation) is present and secretes progesterone, causing the uterine lining to become more glandular and vascular, preparing for implantation of a fertilized egg. LH decreases as progesterone increases. This phase occurs after ovulation and before menstruation.

Which of These Descriptions Could Be Associated with the Secretory