The causes of abdominal pain symptoms are related to the specific location, nature and accompanying symptoms of the pain, etc. The presence of abdominal pain symptoms in pregnant women is also related to the specific pregnancy week. If you are more than 4 months pregnant and have abdominal pain: a. If the pain is located under the glabella in the upper abdomen, it is a sign of stomach pain. On the one hand, consider that it is related to improper diet, such as eating spicy and stimulating food, raw and cold food, and overeating. On the other hand, consider that the pregnant woman may have suffered from chronic gastritis, peptic ulcer and other diseases in the past, and the pain is induced by improper diet. Second, abdominal pain located in the lower abdomen, with regular pain, accompanied by a feeling of falling and abnormal bleeding in the vagina, is a symptom of pre-eclampsia miscarriage, which requires timely treatment for fetal preservation. Third, abdominal pain is located around the belly button, with paroxysmal pain, is abdominal pain caused by intestinal spasm. It may be related to improper diet or intestinal infection.