Pregnant stomach hard to vomit can not come out and stomach bloating, mainly consider gastroenteritis, irritable bowel syndrome and other conditions, generally recommended physical regulation, drug regulation and other ways to relieve. 1. Gastroenteritis: pregnant women are often considered to eat unclean or poorly digested food, resulting in gastrointestinal dysfunction, intestinal peristalsis is too slow, appearing difficult to vomit and stomach bloating. 2. Irritable bowel syndrome: pregnant women due to too much tension, hormonal disorders and imbalances, there will also be a difficult to vomit and vomit out of the stomach and stomach bloating. Pregnant stomach upset want to vomit can not come out and stomach bloating, there may be other reasons, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.