33 weeks pregnant heartburn in the stomach, such as caused by physiological reasons, need to adjust the diet, appropriate exercise to improve; such as gastritis and other pathological causes, need medication. 1. Physiological reasons: after pregnancy due to elevated levels of hormones in the body, can make intestinal peristalsis and intestinal tone weakened. With the increase of pregnancy weeks and uterine enlargement, in the late stages of pregnancy, it is easy to appear after eating heartburn discomfort, the need for appropriate eating a light diet, small meals, and pay attention to the appropriate exercise after meals, can be properly improved. 2. Pathological causes: such as gastritis, can also cause heartburn after eating, can also be accompanied by stomach pain and other symptoms, combined with the history can help diagnosis, mild cases can be adjusted in the diet and exercise after meals can be improved, but the serious need to comply with the doctor’s orders to give omeprazole and other medication. When 33 weeks pregnant heartburn in the stomach need to go to the hospital in order to identify the cause, and actively deal with.