4 months pregnant, small abdominal pulling caused by a slight pain, belongs to the normal performance, because in the process of fetal growth during pregnancy, will lead to the belly appears to increase, the uterus will lead to slight strain on the muscle fibers, during this period of time will be pulling caused by muscle ligament pain. In most cases after pregnancy, the uterus will be in a right-handed state, will also pull the ligament pain, are physiological manifestations, do not need special treatment. Usually try to pay attention to rest, do not overwork, in the fourth month of pregnancy belongs to the mid-pregnancy, you can do pregnant women’s gymnastics or pregnant women’s yoga to gently pull the ligaments can relieve the tingling sensation. During pregnancy, you should pay attention to exercise, do not be too strenuous, to avoid causing the occurrence of miscarriage.