RESUMEN
Objective To change the traditional disposal of the third stage of labor, we exsanguinate the placental blood from the maternal termination of umbilical cord after delivery, then the pressure of placental sinus decrease rapidly, the vessels contract, the placenta seperate from the uterine wall and expuse quickly, the third stage of labor is shortened and postpartum bleeding amount is decreased. Methods We chose 200 cases of vaginal delivery puerperants from October 2004 to August 2005 in our hospital as the test group (group A), 100 cases of vaginal delivery puerperants in the same period as the control group (group B). The statistics of the third stage of labor and the postpartum bleeding amount is made so as to evaluate and analyse the effect. Results In group A, the third stage of labor is obviously shortened and the postpartum hemorrhage is obviously reduced. There is singnificant difference between the two groups (P