34 weeks pregnant with stomach pain without bleeding, may be physiological abdominal pain, but does not exclude pathological abdominal pain, such as acute gastroenteritis, pregnancy combined with acute pancreatitis and so on. 1. physiological abdominal pain: if 34 weeks pregnant, pregnant women abdominal pain is light, short duration, no vaginal bleeding, may be due to the gradual increase of the uterus, compression of the pelvic bones, extrusion of abdominal organs, pulling the uterine ligaments, stimulation of the abdominal wall of the nerve caused by the normal physiological response. 2. Acute gastroenteritis: Due to the unclean diet of pregnant women, acute gastroenteritis can be caused, resulting in abdominal pain, sometimes accompanied by diarrhea and other symptoms. 3. Acute pancreatitis in pregnancy: If a pregnant woman has abdominal pain, bloating, nausea, vomiting and other symptoms after eating greasy food, she usually does not have the symptom of vaginal bleeding. If the pregnant woman in the 34th week of pregnancy, stomach pain, no bleeding, accompanied by diarrhea, bloating and other symptoms, it is recommended to consult a doctor in a timely manner, under the guidance of the doctor, improve the relevant examination, to clarify the cause of the disease, and take appropriate measures to deal with.