2Ramirez MM. Labor induction : a review of current methods [ J ] . Obstet Gynecol Clin North Am, 2011, 38 ( 2 ) : 215-225.
3Rath W. A clinical evaluation of controlled-release dinoprostone for cervical ripening--a review of current evidence in hospital and outpatient settings [ J ] . J Perinat Med, 2005, 33 ( 6 ) : 491-499.
4Hughes EG, Kelly AJ, Kavanagh J. Dinoprostone vaginal insert for cervical ripening and labor induction : a meta-analysis [ J ] . Obstet Gynecol, 2001, 97 ( 5Pt2 ) : 847-855.
5Fitzpatrick CB, Grotegut CA, Bishop TS, et al..Cervical ripening with foley balloon plus fixed versus incremental low-dose oxytocin : a randomized controlled trial [ J ] . J Matern Fetal Neonatal Med, 2011, 28 : 389.
6Husslein P. Use of prostaglandins for induction of labor [ J ] . Semin Perinatol, 1991, 15 (2): 173-181.
7Salim R, Zafran N, Nachum Z, et al. Single-balloon compared with double-balloon catheters for induction of labor : a randomized controlled trial [ J ] . Obstet Gynecol, 2011, 118 ( 1 ) : 79-86.
8Ramirez MM. Labor induction: a review of current methods [J]. Obstet Gynecol Clin North Am,2011,38 (2) :215-225.
9Cromi A, Ghezzi F, Uccella S, et al.A ran- domized trial of preinduction cervical rip. ening: dinoprostone vaginal insert versus double-balloon catheter[J]. Am J Obstet Gynecol,2012,207(2): 125-127.
10Jozwiak M, Bloemenkamp KW, Kelly A, et al.Mechanical methods for induction of labour[J]. Cochrane Database Syst Rev, 2012,(4):CD001233.
