Late pregnancy abdominal pain may be uterine enlargement, uterine contraction, gastrointestinal diseases, through observation, rest or wait for labor, symptomatic treatment to deal with. 1. Uterine enlargement: the uterus gradually increases in late pregnancy, the ligament pulling in the process of uterine enlargement will have the symptom of vague pain in the abdomen, this is a physiological phenomenon, first temporary observation, without special treatment. 2. uterine contraction: late pregnancy abdominal pain may be false uterine contraction caused by the pain is not regular, the pain is strong and weak, through rest symptoms will be relieved. The pain is irregular, strong and weak, and will be relieved by rest. The pain in late pregnancy is accompanied by tightness and hardness of the stomach, the head of the fetus is falling, and a small amount of bleeding from the vagina may be true uterine contractions, which is a sign that the pregnant woman is approaching the delivery of the baby, and need to consult a doctor in time. 3. Gastrointestinal disorders: hormone levels are unstable in late pregnancy, gastrointestinal function is prone to disorders, such as aluminum thioglycollate, teprenone and other drugs. The reasons for the hidden pain in the abdomen of pregnancy are more, it is recommended to consult a doctor in a timely manner, the use of specific drugs need to be carried out under the guidance of a doctor.