What causes menstrual flow after abortion?

After abortion, menstrual flow may be caused by endometrial damage repair, endocrine changes, intrauterine residue or infection, poor uterine involution and other reasons.

1. Endometrial damage repair

abortion process may cause a certain degree of damage to the endometrium, in the repair process may occur local hyperplasia uneven, etc., resulting in increased menstrual flow.

2. Endocrine changes

abortion will cause fluctuations in hormone levels in the body, this endocrine change may affect menstruation, so that the amount changes.

3. Uterine residue or infection

If there is intrauterine residue after abortion is not cleaned up, or uterine infection occurs, it will affect the normal contraction and recovery of the uterus, resulting in increased menstrual flow, but also may be accompanied by abnormal performance such as abdominal pain, fever.

4. Uterine involution Bad

uterus failed to return to pre-pregnancy state, may also cause menstrual abnormalities, manifested as menstrual flow.