In the early stages of pregnancy, the stomach feels uncomfortable with the top. Clinically, because after pregnancy, the estrogen in the body appears to increase thousands of times, and the increase in estrogen causes water and sodium retention in pregnant women. Water and sodium retention will lead to edema in the mucous membrane of the gastrointestinal tract, so clinically it will manifest uncomfortable and uncomfortable stomach, more saliva, and clinical symptoms of nausea and vomiting. It is recommended that if you can eat, try to eat easily digestible food to reduce the burden on the gastrointestinal tract and to reduce the friction of the gastric mucosa caused by fasting, which can aggravate the uncomfortable stomach condition. In clinical cases where there is no way to eat, it is recommended to go to the hospital for rehydration in time for treatment.