Early pregnancy stomach pain and want to poop, may be due to pre-defecation reaction, uterine enlargement, uterine contraction, dietary disorder, etc., the specific causes and treatment methods are as follows: 1, pre-defecation reaction: that is, the normal pre-defecation reaction, no special treatment; 2, uterine enlargement: after pregnancy, the uterus gradually increased pressure on the rectum, as well as uterine congestion, which leads to the occurrence of this phenomenon. At this time, you should go to the hospital for ultrasound examination to determine the size, location and development of the pregnancy sac, proper rest, avoid strenuous activities, prohibit sexual life, generally not a big problem; 3, uterine contraction: various reasons to induce uterine contraction and abdominal pain, stimulating the rectal area caused by the feeling of wanting to relieve stool. This kind of symptom if the degree is more serious, last longer, there is a possibility of pre-eclampsia, should promptly go to the hospital, after a clear diagnosis of fetal preservation treatment; 4, diet chaos: eat too cold or spicy stimulating food, resulting in intestinal peristalsis accelerated and caused by such symptoms, often accompanied by diarrhea symptoms. You can take appropriate medication under the guidance of a physician for treatment, while paying attention to control the diet.