The feeling of anus dropping after medical abortion may be related to the contraction of uterus during medical abortion and pelvic inflammation caused by incomplete medical abortion. 1. Uterine contraction: In the process of medication abortion, it can cause abdominal pain, vaginal bleeding, nausea, vomiting and other clinical manifestations, the pregnancy sac can be discharged from the body, the process of uterine contraction, there may be a feeling of anus falling. 2. The drug abortion is not clean: when the drug abortion is not clean, there is still residual material in the uterus, after a period of time, can cause intrauterine infection, lower abdominal pain, vaginal discharge increased and other symptoms. Intrauterine infection can cause pelvic inflammation, stimulation of the rectal mucosa, the anal drop feeling. The process of medication abortion must be carried out in medical institutions with formal rescue conditions; if the medication abortion is not clean, it is necessary to consult a doctor in a timely manner, improve the ultrasound and other relevant examinations, and if necessary, clear the uterus for treatment.