The uterine lining becomes thin right after menstruation. Menstrual flow usually lasts for five days. At day 6 to13, the uterine lining will gradually thicken for it undergoes a period of repair. The egg also undergoes a period of development for maturation. *
A. The Menstrual Phase.
B The Follicular Phase
C The Ovulation Phase
D The Luteal Phase
