The symptom of wanting to poop and not being able to do so at 37 weeks of pregnancy may be a normal physiological condition, or it may be due to constipation or hemorrhoids. Patients need to go to the anorectal department or obstetrics department of the hospital in time to determine the cause and treat the cause. A. Physiological factors 37 weeks of pregnant women due to the increase in uterine pressure to the rectum, resulting in the phenomenon of wanting to diarrhea and can not come out. Usually the normal situation may be signs of labor, it is recommended to be hospitalized in time for delivery. Second, disease factors 1, constipation: gastrointestinal peristalsis is slow during pregnancy, pregnant women often have constipation symptoms, resulting in wanting to poop and can not be pulled out, at this time, you can use the open plug to help defecate, try to avoid the use of other drugs. In addition, patients can eat more fruits and vegetables, appropriate consumption of honey, bananas, etc. to help defecate; 2, hemorrhoids: pregnant women suffering from hemorrhoids, will also appear the symptoms of poor bowel movement. Discomfort can be alleviated by improving lifestyle habits or manual reset. Surgery or medication is not recommended during pregnancy, and can be chosen at your discretion after delivery according to your physical condition. In daily life during pregnancy, pregnant women should pay attention to a reasonable dietary structure, maintain a light diet, and eat more fresh fruits and vegetables, especially coarse grains and coarse fiber foods. Maintaining regular exercise can promote bowel movement and improve symptoms. If the uncomfortable symptoms last for a long time, seek medical treatment in time to avoid delaying the condition.