In the process of medication abortion or spontaneous abortion, if the pregnancy sac is not discharged, there will be the following manifestations: first, heavy vaginal bleeding. If the pregnancy sac is not discharged it will affect the contraction of the uterus, which will lead to non-stop bleeding all the time, and the bleeding will be heavier and longer, accompanied by blood clots. Secondly, it causes stomach pain. Before the pregnancy sac is not completely discharged, the uterus will keep contracting, and the severe contractions will cause the patient to experience obvious pain. If the bleeding is heavy or the abdominal pain is particularly severe after the abortion, it is recommended to do ultrasound in time to make sure that the bleeding is caused by the pregnancy sac not being discharged, and the uterus should be cleared in time. After the operation, it is necessary to prevent infection, pay attention to rest, and also use drugs to promote uterine recovery.