4Bates GW Jr,Shomento S. Adhesion prevention in patients with m- ultiple cesarean deliveries [ J ]. Am J Obstet Gynecol,2011,205 ( 6 Suppl) : 19 - 24.
5Victoria MA, Colleen TF, Malemal and perinatal morbidity of caesarean delivery at full cervical dilatation compared with sarean delivery in the flrststage of labour. BJOC ,2005,112:986.
6Garrett K, Butler A, Cohen WR. Cesarean delivery during second-stage Labor. characteristics and diagnostic accuracy. J Matem Fetal Neonatal Med ,2005,17:49-53.