RESUMEN
Objective To analyze the relevant factors of vaginal delivery postpartum hemorrhage,and discussion how to prevent postpartum hemorrhage.Methods 2 417 maternal women who hospitalized vaginal delivery were selected.Preeclampsia,macrosomia,placental abruption,obesity,premature rupture of membranes,high blood pressure,gestational age,maternal age,maternal time,the number of abortion,scar uterus vaginal delivery,oxytocin induced labor,misoprostol for cervical mature,forceps midwifery,and the correlation of postpartum hemorrhage were analyzed.Results The incidence rate of postpartum hemorrhage was 15.22%.Pre -eciampsia,macrosomia,placental abruption had significant association with postpartum hemorrhage(χ2 =26.75,0.16,22.26,all P 0.05 ).Oxytocin induced labor,misoprostol for cervical mature,forceps midwifery were significantly associated with postpartum hemorrhage(χ2 =45.66,21.77,88.06,all P <0.01 ).Conclusion Prenatal maternal and neonatal weight control,prevention of preeclampsia,placental abruption occurred to prevent postpartum hemorrhage;Intrapartum avoid no indications oxytocin,misoprostol for cervical mature,forceps midwifery and reduce postpartum hemorrhage;Postpartum accurately estimated blood loss, active treatment,avoid serious complications.