The effect of placental drainage after spontaneous vaginal delivery on third stage of labour
Objective: To assess the effect of placental cord drainage on the duration of third stage of labor, and to clarify the safety of this method regarding to postpartum hemorrhage, retained placenta, incidence of manual removal of placenta, atony.
Inclusion criteria: Natural vaginal delivery; pregnancy with vertex presentation ; Term pregnancy (37-42 weeks); Singelton pregnancy; Absence placental disorders and neonatal congenital anomaly in perinatal ultrasound examination; The absence of medical and obstetric conditions in the mother.
Exclusion criteria: previous history of curtage; Instrumental delivery(Vacum ,Forceps); Maternal coagulation disorder.
Material and Method: Four hundred women having vaginal delivery were divided into drainage group(200 women) and control group (200 women) .In both groups, management of third stage of labour was performed with active method and for removal of placenta was used Brandt- Andrew method with maternal pushing. The duration of third stage was compared as the primary outcome. The incidence of postpartum hemorrhage, retained placenta, incidence of manual removal of placenta, atony were compared.
Keywords: Third stage of labor, Placental cord drainage, Postpartum hemorrhage, Retained placenta, Manual removal of placenta.