If the drug abortion is not clean, it is necessary to clear the uterus, if not clean will lead to heavy bleeding, and will increase the risk of infection, so if it is determined that the drug abortion is not clean should be timely clearance surgery. The clinical success rate of medical abortion is about 85% or more, so there is still a certain base of patients who need to clear the uterus, it is generally recommended that the 3rd day of the medicine is best to eat in the hospital, if the pregnancy capsule is not discharged in time or bleeding can be carried out emergency clearance surgery. The majority of patients bleed for only about 1 week after the operation, but if the bleeding after the operation has been more or if the abdominal pain is obvious, you should always consult a doctor.