Belly pain in 7 months of pregnancy may be physiological reasons, or it may be caused by pathologic ones such as preeclampsia, enteritis, and so on. 1. Physiological reasons: pregnant women will feel belly pain during pregnancy, mainly due to the fetus will gradually increase in size during development, so that the skin has a tight feeling, at this time will feel the abdominal pain, but usually it will be relatively mild, so do not need to be too nervous. 2. Pre-eclampsia: If the abdominal pain is continuous, or continuous lower abdominal cramps, similar to the cramps before menstruation or during menstruation, and accompanied by vaginal bleeding, then this is the possibility of pre-eclampsia. 3. Enteritis: Patients with enteritis will experience abdominal pain, mainly due to the inflammation caused by poor dietary habits to stimulate the intestinal mucosa, causing abdominal pain and diarrhea symptoms. If the symptoms of belly pain in 7 months of pregnancy are not relieved, or accompanied by other symptoms, you should go to the hospital in time, and give targeted treatment after clarifying the cause.