Thirty-five weeks pregnant sometimes stomach pain may be physiological factors, stomach diseases and other causes. 1. Physiological factors: 35 weeks of pregnancy, the bottom of the uterus can reach about 2 horizontal fingers below the xiphoid process, due to the influence of the enlarged uterus, can make the stomach position upward, coupled with eat more, easy to cause indigestion and induce stomach pain. Generally do not need special treatment, late pregnancy can eat small meals, and avoid eating too much, too full, appropriate walk after meals can promote digestion. 2. Stomach diseases: such as gastritis, acute gastroenteritis, etc., after pregnancy, intestinal peristalsis is weakened, which will lead to slow digestion of food in the stomach, due to increase the burden on the stomach, induced gastritis attack and cause stomach pain. Moreover, when improper diet is easy to cause stomach pain, diarrhea, vomiting and other symptoms of acute gastroenteritis, you need to consult a doctor in time. When 35 weeks pregnant sometimes stomach pain need to go to the hospital, under the guidance of the doctor to give symptomatic treatment.