36 weeks of pregnancy belongs to the late pregnancy, close to the full term of pregnancy, at this time the stomach pain, consider may be pseudo contractions, preterm labor, gastrointestinal diseases and other diseases caused. Common causes and treatment 1, pseudo contractions: late pregnancy, the uterine muscles are more sensitive, there will be irregular uterine contractions, short duration, weak strength, there will be a slight tingling sensation or more bloated phenomenon. It is recommended to observe the number of contractions, and if the pain is more frequent or lasts for a long time, you need to go to the hospital for examination in time; 2. Premature labor: if the abdominal pain of pregnant women shows regularity, or irregular and accompanied by lower abdominal pain, consider the possibility of preterm labor. At this time should promptly seek medical attention, because 36 weeks of pregnancy is close to full term, the development of various organs of the body is basically mature, no need to continue to keep the fetus, if there are regular contractions of labor, can be normal production; 3, gastrointestinal diseases: if the lower abdomen swelling pain, accompanied by nausea, vomiting, diarrhea and other symptoms, consider the gastrointestinal tract inflammation caused by the pregnant woman may eat unclean things or cold and other reasons triggered. Therefore, usually pay attention to the warmth of the abdomen of pregnant women and food hygiene, if the diarrhea is serious, fever, etc., to send to the doctor for treatment; 4, other diseases: in 36 weeks of pregnancy stomach pain may have appendicitis or pelvic inflammatory disease, if accompanied by fever, and abdominal pain is more serious, it is recommended to seek medical treatment in a timely manner. Pay attention to the warmth of the abdomen and food hygiene in late pregnancy, exercise properly, avoid overexertion, closely observe the condition of the fetus, be prepared for delivery, timely examination and hospitalization if necessary.