After abortion, vaginal bleeding for 3-7 days is normal, but there are individual differences. During abortion, the uterine lining is damaged and bleeding occurs, and vaginal bleeding usually lasts for 3-7 days, which is normal. During the bleeding period, you should pay attention to strengthen the nutrition, rest more, keep the perineum clean, and avoid taking a bath and having sex. If the bleeding is more than 7 days after the abortion, and the amount of bleeding is large, or accompanied by abdominal pain, fever and other conditions, it may be incomplete abortion, poor uterine contraction, or endometrial inflammation caused by abortion, etc., it is recommended to go to the hospital as soon as possible for review and targeted treatment. In summary, if there is abnormal bleeding after abortion, it is recommended to go to the regular hospital for examination and treatment.