Question

How the menerstral cycle work

Answer 1

At the same time the lining of the womb is growing, an egg, or ovum, in one of the ovaries starts to mature. At about day 14 of an average 28-day cycle, the egg leaves the ovary. This is called ovulation. ... Then, hormone levels drop, and the thickened lining of the uterus is shed during the menstrual period.