Level 1: What are the causes of stomachache in pregnant women? There are many reasons for stomach pain in pregnant women, which may be caused by indigestion, hyperacidity, stomach infection, gastric ulcer, etc. In addition, pregnant women\’s bodies undergo many changes during pregnancy, such as enlargement of the intestines and pressure on the intestines, which may also cause stomach pain in pregnant women. Level 2: How should pregnant women relieve stomach pain? If a pregnant woman has a slight stomachache