Occasional stomach pains in late pregnancy should be distinguished from pains caused by fetal movements, which may lead to contraction of the uterus and cause pain. In the late stage of pregnancy, due to the growth of the fetus in the process of right rotation of the uterus, there is a slight pull to cause pain, this situation can also be relieved or disappear after taking the left side of the bed, this also belongs to the physiological performance, do not need to be too nervous. However, if there is a paroxysmal increase in stomach pain, accompanied by tightness and hardness in the stomach pain, this is considered to be a precursor of birth and should go to the hospital in time for examination.