what happens when the egg is not fertilised?
Answers
Explanation:
If the egg is not fertilized or does not implant, the woman's body sheds the egg and the endometrium. This shedding causes the bleeding in a woman's menstrual period. When a fertilized egg does implant, a hormone called human chorionic gonadotropin (hCG) begins to be produced in the uterus.
If fertilization does not occur then the egg released by the ovary dies within a few days and the thick lining of uterus breaks down since the thick uterus lining contains a lot of blood vessels therefore the breaking down of uterus lining produces blood along with other tissues .This blood and other tissues come out of vagina of women in the form of a 'bleeding'. The bleeding from the uterus which occurs in a woman every month if the egg has not been fertilized is called menstrual flow or menstruation.