Before labor, the mother can appear regular contractions, mainly abdomen, waist feeling abnormal, at this time the pregnant woman should pay attention to timely admission to the hospital for delivery.1, the pregnant woman first feel abdominal distension, tightness, feeling of falling, the beginning of irregular contractions, usually at night during the day disappeared, the duration of a short period of time, the interval is long. Once the contractions are frequent, at intervals of 5-6 minutes, lasting 30-40 seconds, with regularity and intensity, accompanied by vaginal bloody discharge, suggesting the emergence of laboring contractions; 2, pregnant women feel a significant increase in lumbar pain, lumbosacral soreness, accompanied by the gradual opening of the uterine mouth, cervical canal shortening, fetal head descending, the need for timely admission to the hospital to wait for delivery. When the pain of contractions is mild, pregnant women should pay attention to bed rest and do not keep standing. If the contractions become more frequent and regular, you should go to the hospital as soon as possible to prepare for labor, do not overdo the activities, so as not to lead to physical exertion, which is not conducive to the later stage of delivery.