There are three possibilities for stomach pain in pregnant women, namely, preterm labor, preterm preterm labor, and full-term pregnancy on the verge of labor. Mild symptoms of lower abdominal pain may occur at all different stages of pregnancy, most of which can be relieved by resting or changing position, and usually do not continue to worsen. If contractions continue to intensify, the following situations will occur. 1. Pre-eclampsia: Before the 28th week of pregnancy, if the pregnant woman’s stomach pain continues to be unrelieved, and the uterine opening gradually opens up in gynecological examination, it indicates that there are symptoms of pre-eclampsia, and if the symptoms can not be relieved through fertility preservation treatment, it can continue to develop into inevitable abortion. 2. Preterm labor: after 28 weeks to 36 weeks of pregnancy, if there is pain in the lower abdomen, there may be symptoms of preterm labor, and you need to go to the hospital in time to keep the baby. If the fertility preservation treatment is unsuccessful, the labor may continue to develop into preterm labor. 3. Full-term pregnancy and delivery: after 37 weeks of pregnancy, if abdominal pain, gradually intensified with vaginal redness, the mouth of the uterus opened and other symptoms, indicating that it has entered the stage of labor and delivery, it is recommended that pregnant women need to be accompanied by family members to hospitalization in a timely manner to prepare for delivery. Therefore, pregnant women with stomach pain symptoms can not be relieved patients are recommended to go to the hospital in a timely manner.