Early pregnancy stomach bulging, may be the body’s hormone level changes, dietary factors caused by the normal performance, may also be the disease caused by the lesion performance. 1. Changes in hormone levels in the body: in the early stages of pregnancy, the body’s sex hormone secretion increased significantly, the gastrointestinal tract peristalsis caused by a certain impact, may lead to slow gastrointestinal peristalsis, slowing down the rate of emptying, the phenomenon of a bulging stomach may occur. 2. Dietary factors: If pregnant women eat a lot of soy, sweet potatoes and other foods that are easy to produce gas, will also cause the stomach bulging and swelling, may be a normal performance. 3. lesion manifestation: some pregnant women early pregnancy stomach bulging, may be gastric ulcer, duodenitis, enteritis and other organic diseases caused by lesion manifestation. Early pregnancy stomach bloating, need to be in the obstetrics and gynecology and gastroenterologist under the guidance of the appropriate treatment.