A grumbling stomach during pregnancy may be caused by hunger, early pregnancy reaction, indigestion and other reasons. 1. Hunger: the consumption of energy during pregnancy is relatively large, which may cause pregnant women to feel hungry again soon after eating, resulting in a grumbling stomach, which is a normal physiological phenomenon. 2. Early pregnancy reaction: nausea, vomiting, poor appetite and other early pregnancy reactions may occur during pregnancy, for the gastrointestinal function also has an impact on the intestinal tract, may cause intestinal sounds, resulting in a grumbling stomach. 3. Indigestion: During pregnancy, the hormone level in the pregnant woman’s body will increase, the digestive function is weakened, the enlarged uterus will also affect the gastrointestinal peristalsis, constipation and flatulence, which will lead to the stomach gurgling. During pregnancy, you should pay attention to rest, eat small meals, light diet, and when the symptoms are serious, you should go to a regular hospital in time to clarify the cause of the disease and take treatment measures under the guidance of a professional doctor.