When a Woman Has Eggs Harvested from Her Ovaries for in Vitro

When a woman has eggs harvested from her ovaries for in vitro fertilization,a physician uses laparoscopy to examine the surface of her ovaries,looking for any large blister-like structure about 2 cm in diameter.Contained within the blister is a(n) _______;this procedure would be done _______ of her menstrual cycle.

A) corpus luteum;just past the midpoint
B) primary follicle;on the last day
C) germ cell in mitotic arrest;on the fourteenth day
D) ovum in mitosis;on the first day
E) oocyte;at the midpoint