The tummy pain or backache three months after the abortion may be caused by uterine contraction or local inflammation, which can be treated by using anti-inflammatory drugs, and timely bed rest. Because of the operation itself will cause endometrial damage, in the postoperative recovery period, if you do not do a good job of anti-inflammatory antibacterial measures, may lead to endometrial inflammation in the postoperative period, which led to the pain in the stomach or back pain, you can use anti-inflammatory drugs as prescribed by the doctor for treatment. The body is still in a sensitive state three months after the operation. If you do strenuous exercise or get cold during this period, it may stimulate the uterus to have abnormal spasms, thus causing abdominal pain or back pain. For the discomfort caused by this phenomenon, it is recommended that women take bed rest in time to effectively relax the abdominal and uterine muscles, which can help to alleviate the discomfort.