More than 8 months pregnant, the symptoms of vomiting, the possible reasons include: 1, physiological factors, pregnant women’s uterine fundus height is higher, press the bottom of the stomach, affecting the emptying function of the stomach. If a pregnant woman does not pay attention to diet control and eats too much or too fast, she may have vomiting symptoms. 2, pathological factors, not paying attention to dietary hygiene during pregnancy, eating unclean food or infected with pathogenic microorganisms, caused by acute gastroenteritis, will also have vomiting symptoms, accompanied by diarrhea and abdominal pain symptoms. Pregnancy combined with biliary system diseases such as cholecystitis and gallstones will also cause vomiting symptoms, along with pain in the right upper abdomen. If the symptoms are serious, it is recommended that the pregnant woman should go to a regular public hospital as soon as possible to find out the specific cause and then carry out treatment, pay attention to proper diet control, avoid overeating and greasy food.