If fertilization does not occur following release of the egg by the ovary, then which one of the following degenerates approximately two weeks after ovulation?
A) primary oocyte
B) oviduct
C) endometrium layer
D) corpus luteum
E) choices A through D are correct

Question

Quizplus · Accepted Answer

The corpus luteum degenerates approximately two weeks after ovulation if fertilization does not occur, leading to a decrease in progesterone and estrogen levels, which triggers menstruation.

If Fertilization Does Not Occur Following Release of the Egg