During the luteal phase of the menstrual cycle, if the oocyte is not fertilized, a number of events occur that are listed below. Select the answer that places the events in the CORRECT chronological order. Events:
1) The lining of the uterus is shed.
2) The corpus luteum secretes progesterone.
3) Follicle cells are converted to the corpus luteum.
4) The corpus luteum degenerates.
5) Estrogen and progesterone levels fall.

Question

Quizplus · Accepted Answer

The correct sequence starts with the conversion of follicle cells to the corpus luteum (3), followed by the secretion of progesterone by the corpus luteum (2). If the oocyte is not fertilized, the corpus luteum degenerates (4), leading to a fall in estrogen and progesterone levels (5), which finally results in the shedding of the uterine lining (1).

During the Luteal Phase of the Menstrual Cycle, If the Oocyte