Pregnancy 38 weeks stomach like menstrual pain is mainly seen in the following cases: 1, pregnancy combined with medical diseases, including acute gastroenteritis in pregnancy, mainly abdominal pain, diarrhea and other symptoms; 2, false labor, that is, preterm labor, characterized by contractions of short duration and is not constant, the intervals are long and irregular, the intensity of contractions will not increase, usually often appear at night, disappear early in the morning, give strong sedative drugs such as dulcolax can inhibit the Contractions can be suppressed by strong sedative drugs such as dulcolax. The main sign of labor is regular and gradually increasing uterine contractions, the duration of which is gradually prolonged, together with the disappearance of the cervical canal, the dilatation of the uterine opening and the descent of the fetal preluteal part, and the contractions can not be suppressed by strong sedative drugs, and those who have the above conditions need to go to the hospital for consultation.