Effects of postterm pregnacy on the pregnat women and perinatal children

Objective: To investigate the effect of postterm pregnancy on the prognosis of the pregnant women and the perinatal children.Methods: The records of 4 383 multiparas from January 2001 to July 2005 were retrospectively analyzed.Results: The incidence of caesarean section,the postpartum hemorrhage,the oligohydramnios,the fetal macrosomia,the fetal distress and the perinatal death in postterm pregnancy group were higher than those in the term pregnancy group(P<0.01 and P=0.000).Conclusions: The postterm pregnancy is very harmful to the pregnant women and the perinatal children.In order to reduce the incidence of postterm pregnancy and improve the prognosis of the pregnant women and the perinatal children,the pregnancy should be terminated in time.