What are the 4 stages of the Menstrual Cycle?

1. Menstruation starts: Lining of the Uterus breaks down 2. Lining of Uterus builds up: Day 4-14, with day 14 seeing a Thick Spongy layer of Blood Vessels, waiting for a Fertilised Egg 3. Egg Develops and Released: Ovary, from Ovulation, releases an Egg at around Day 14 4. Lining is Maintained: For 14 days, the Lining is kept. If at day 28 the Egg hasn't Fertilised, the Lining of the Uterus breaks down, and the Cycle Repeats