More than a month pregnant stomach abdomen bulging more reasons, common are: intestinal flatulence, overeating, hormone level changes. 1. Intestinal flatulence: a month pregnant women, if you often eat a lot of easy to produce gas food, or eat faster resulting in a large amount of air swallowed into the body, resulting in the gastrointestinal tract gas can not be discharged with the gastrointestinal tract peristalsis, a large amount of gas accumulates in the stomach and intestines, the phenomenon of stomach and abdominal bulging will occur. 2. Overeating: some women after pregnancy in order to let the fetus in the abdomen to develop better, will often eat a lot of all kinds of high-protein, high-fat food, resulting in the accumulation of fat in the abdomen, it is easy to appear in the stomach abdominal bulging symptoms. 3. Hormone level changes: women who are pregnant for more than a month, due to changes in hormone levels in the body, slowing down the speed of intestinal and gastrointestinal peristalsis, which may lead to a long period of time for the food to stay in the body, resulting in the appearance of the phenomenon of abdominal bulging stomach. If there is no other abnormality in the body, usually no special treatment is needed. Binge eating may affect the final delivery, so this type of women need to carry out diet control. If there are symptoms such as severe flatulence and indigestion, they need to go to the hospital in time.