A.	oviduct
B.	corpus luteum After ovulation, the follicular cells that remain in the ovary become the corpus luteum (Latin: yellow body), and secrete progesterone for the remainder of the luteal phase. Progesterone is required for maintenance of the endometrial lining of the uterus where the blastocyst is implanted.
C.	endometrium
D.	cervix
E.	sperm