The manifestations of approaching labor are as follows: 1, irregular abdominal distension and abdominal pain: the first 10 minutes of pain, some pregnant women have pain once in 7-8 minutes, or even shorter; 2, redness: manifested as a small amount of vaginal bleeding, after contractions, the cervical opening of the fetal membrane and the uterus are stripped and bleeding capillary rupture occurs, usually 24-48 hours of redness, 24-48 hours of labor; 3, vaginal overflow: that is, water breaking, a large amount of A large amount of fluid flows out from the vagina uncontrollably, with natural onset 12-24 hours after the water breaks. If the water breaks for more than 24 hours without an attack, medical intervention is needed. After the water breaks, it is recommended to be actively admitted to the hospital for delivery, because the fetal membrane is ruptured and the internal and external environment is connected, which is prone to infection and cord prolapse.