After the abortion, there is a small stomach pain, may be due to the following reasons: 1, because the uterine perforation caused by the often small stomach pain will continue to aggravate and have anal swelling, there may be panic and other corresponding symptoms. 2, because the uterus has a blood reflux to the pelvic cavity stimulation caused by the small tummy pain. 3, it is likely to be relative to the patient is more sensitive to stimulation caused by the uterine contraction of the abortion caused by pain. 4, may be due to the uterus contraction is not good leading to a large amount of blood in the uterus, stimulation caused by the uterus contraction caused by pain. The contraction of the uterus causes pain in the stomach.4. It may be due to the contraction of the uterus is not good, resulting in a large amount of blood in the uterus, stimulation caused by the uterus contraction caused by pain. Once the pain in the stomach after abortion, it is recommended to go to the hospital immediately to do the appropriate examination to identify the cause of timely treatment.