Stomach pain during pregnancy may be a normal phenomenon, but it does not exclude pathological factors such as preeclampsia, gastrointestinal diseases and so on. 1. Normal phenomenon: pregnant women’s stomach pain is because the uterus will gradually become larger in the process of embryonic development, then pregnant women will experience discomfort and feel stomach pain, but this pain is often mild, so pregnant women do not need to worry too much. 2. Pre-eclampsia: Pregnant women can be triggered by pre-eclampsia due to lifestyle habits, excessive activity, unhealthy diet and other reasons, resulting in abnormal contractions in the uterus, which may be accompanied by bouts of pain in the stomach during pregnancy, and at the same time may be accompanied by vaginal bleeding. At this time, you should seek medical attention in a timely manner. 3. Gastrointestinal diseases: Gastrointestinal cramps caused by eating spoiled food or spicy and irritating food can also make pregnant women feel stomach pain, and they should seek medical treatment promptly. If during pregnancy, the pregnant woman has a continuous pain in the stomach, it is recommended to consult a doctor in a timely manner, under the guidance of the doctor, improve the relevant examination, to clarify the cause of the disease, and symptomatic treatment.