Level 1: Will menstruation occur after pregnancy? Principle Analysis After pregnancy, a woman\’s body will undergo many changes, one of the important changes is the cessation of ovulation. Under normal circumstances, if the eggs ovulated every month are not fertilized, they will be expelled from the body along with the endometrium, forming a menstrual period. When a woman becomes pregnant, the egg has been fertilized and implanted on the inner wall. At this time, the body no longer needs to ovulate and have menstruation. Therefore, women do not menstruate during pregnancy. Level 2: What is the difference between bleeding during pregnancy and menstruation? Pregnancy bleeding refers to vaginal bleeding that occurs during pregnancy. Although some women are pregnant