Is withdrawal bleeding an abortion?

Withdrawal bleeding is not an abortion. Withdrawal bleeding is when a patient takes contraceptives or progestins, which affect hormone secretion in the body and thus affect the endometrium. In this case, it can cause endometrial detachment, rupture of uterine arterioles, and bleeding. The patient can show symptoms similar to menstruation, but this vaginal bleeding is neither menstruation nor abortion. Abortion refers to the patient after pregnancy, due to some reason caused by embryo growth and development, so the patient can show vaginal bleeding phenomenon, this condition occurs, often will show vaginal dripping bleeding, or there is massive bleeding phenomenon.