Question

why does menstruation occur? describe the menstrual cycles in females ​

Answer 1

❏❏The menstrual cycle occurs because of a complex relationship between hormones from the brain and ovaries. This leads to the development and release of an egg from the ovary (ovulation) and growth of the internal lining (endometrium) of the uterus, to prepare it for pregnancy.❏❏

Answer 2

Explanation:

Menstruation occurs in cycles. The ovaries prepare an egg (oocyte) for release and the womb (uterus) prepares a lining to nourish the egg if it is fertilised. When the egg is not fertilised, the lining of the womb is shed and a woman gets her period (menstrual bleeding).