2Schifrin BS,Cohen WR.The effect of malpractice claims on the use of caesarean section[J].Best Pract Res Clin Obstet Gynaecol,2013,27(2):269-283.
3Cohain JS.Vaginal births after C-section are not necessarily riskier in a birth center than in the hospital[J].Midwifery Today Int Midwife,2006,2(77):16-17,60.
4Schifrin BS, Cohen WR. The effect of malpractine clains on the use of caesarean section[J]. Best Pract Res Clin Obstet Gynaecol, 2013, 27:269-283.
5Cunninghan GF, Leveno K J B loom S, et al. Williams Obsterics Pri- or cesarean section[M]. 23^rd ed New York MoGraw Hill, 2009:565- 576.
6Bujold E, Mehta SH, Bujold C, et al. Intedelivery interval and uter- ine rupture[J]. Am J Obstet Gynecol, 2002, 187:1199-1202.
7Stamilio DM, DeFranco E, Par E, et al. Short interpregancy interval risk of uterine and complications of vaginalbirth after cesarean de- livery[J]. Obstet Gynecol, 2007, 110:1075-1082.
8Society of Obstetricians and Gynaecologists of Canada SOGC clini- cal practices Guidelines for vaginal birth after previous caesarean birth[J]. Iut J Gynaecol Obstet, 2005, 89:319-331.