To determine whether the gestational sac is flowing out, we should observe the amount of blood and blood clots and discharges, whether there is obvious abdominal pain, it is best to determine through ultrasound. Under normal circumstances, the drug abortion to determine whether the gestational sac has flowed out, need to observe the discharge inside the gestational sac, usually the gestational sac out of the time, will bleed a lot, will be discharged blood clots and accompanied by the feeling of obvious abdominal pain, this time to observe the blood clots there is no white fluffy tissues, if there is, that means that the gestational sac out of the flow. The gestational sac and its own fertilization time and menstrual time related, can be used to determine the size of the gestational sac, if the size of the discharged tissue and the size of the gestational sac should not be consistent with the gap a little bit, it is possible that the flow is not clean, you can follow the doctor’s instructions to carry out a ultrasound examination to clarify the amount of please. If necessary, you need to take abortion drugs, observation for three days, if the gap is very large, it means that the need for a second scraping surgery, artificial removal of foreign objects in the uterus, to prevent staying in the uterus caused by infection. It is recommended that after the medical abortion, you can do abdominal ultrasound to observe whether the uterus will be the pregnancy sac out of the uterus, under the guidance of the doctor combined with their own situation to choose the correct method. After the abortion, pay more attention to rest, pay attention to keep warm, do not get cold, do not eat cold stimulating food.