Vaginal bleeding will occur after abortion, usually within 15 days will end, if the vaginal bleeding occurs again after 15 days, it may be due to the following reasons: 1, the uterus is not completely restored, the endometrium is not completely repaired after abortion, during abortion, the uterine metaplasia may be artificially damaged, and after this damage, it will lead to the uterine lining to be repaired again to form a normal structure. Part of the tissue may be formed due to inflammation or other reasons is relatively weak, high brittleness, stimulation may appear peeling, and then bleeding again, but the amount of this bleeding will be very small, usually a few days will be clean. 2, not completely clean, this situation needs to take medication or once again clear the uterus to solve the problem, you need to do ultrasound for review. 3, inflammation, if there is a previous inflammation of the lining of the uterus, it also can cause the In the process of endometrial formation, there may be bleeding for a long time or repeated bleeding, but after normal menstruation or anti-inflammatory treatment, it will gradually recover.