Stomach pain in pregnancy may be related to mental factors, improper diet or stomach diseases, mainly to take dietary adjustments, mental adjustments and so on. 1. Mental factors: after pregnancy, if the spirit of excessive tension, anxiety can easily lead to symptoms of stomach pain, must pay attention to relax, keep in a happy mood, general mood stabilization, stomach pain symptoms will gradually ease. 2. Improper diet: may be due to too much spicy stimulating food or cold food after pregnancy, the gastric mucosa caused by the stimulation of the symptoms, pay attention to the diet light and easy to digest, avoid eating cold food, eat warm food. 3. Stomach diseases: may be due to gastritis or gastric ulcer and other diseases, but during pregnancy is not generally recommended to take drugs, pay attention to adjust the diet can be. Most of the stomach pain in pregnancy is not very serious, it may be that progesterone relaxes the sphincter of the gastric cardia, and the acidic contents of the stomach reflux to the lower esophagus, resulting in heartburn, but if the stomach pain is more serious, you need to go to the hospital to find out the cause.