If the stomach pain is not serious in the 8th month of pregnancy, if the stomach pain is only a slight tingling or pulling pain, it is considered normal because the fetal growth rate is more obvious in the middle and late stages of pregnancy, which will involve the painful sensation of the uterine ligament, so you should pay attention to bed rest and do not exercise strenuously. However, if the stomach pain is serious in the 8th month of pregnancy, you should consider preterm labor, you should go to the hospital in time to do ultrasound, check the fetal heart and fetal movement, also pay attention to see if there are uterine contractions, if the stomach pain is accompanied by the phenomenon of tightness and hardness of the stomach indicates that the uterus has contractions, indicating that there are signs of preterm labor, you should take birth control drugs as soon as possible, you can use magnesium sulfate or nifedipine to relieve uterine contractions It has the effect of fetal preservation.