6Lurie s,Insler v,Hagay ZJ.Induction of labor at 38 to 39 weeks of gestation reduces the incidence of shoulder dystocia in gestational diabetic patients class A2[J]. Am J Perinatol, 1996,13 (5):293-296.
7Deborah L,Conway MD,Langer MD.Elective delivery of infants with macrosomia in diabetic women:Reduced shoulder dystocia versus increased cesarean deliveries[J]. Am J Obstet Gynecol ,1998,178(5).922-925.
8Cohen B,Penning S,Major C.Sonographic prediction of shoulder dystocia in infants of diabetic mothers[J]. Obstet Gynecol, 1996,88(1):10-13.
9Eric V,Francois G,Marie F.Newborn shoulder width:a prospective study of 2222 consecutive measurements[J]. British J Obstet Gynecol, 1999,106:589-593.
10Riska A,Laine H,Voutilainen P. Estimation of fetal shoulder width by measurement of the humerospinors distance by ultrasound[J]. Ultrasound Obstet Gynecol,1996,7(4):272-274.