The menstrual cycle is a monthly series of hormone-driven events where the female body prepares for pregnancy, involving the thickening of the uterine lining and the release of an egg from one of the ovaries. If fertilization does not occur, the thickened lining is shed, leading to menstruation.
Topic 27.2: 27.2 Anatomy and Physiology of the Ovarian Reproductive System
Unit 27