1Fox H, Wells M. Haines & Taylor obstetrical and gynaecologicalpathology [M]. 5th ed. United Kingdom: Churchill Livingstone, Edinburgh, 2003: 1347-1349.
2O' Brien JM, Barton JR, Donaldson ES. The management of placenta: conservative and operative stragtegies [ Jl. Am J Obstet Gynecol, 1996, 175 (6): 1632-1638.
5Chattopadhyay SK,Kharif H,Sherbeeni MM.Placenta praevia and accrete after previous caesarean section[J].Eur J Obstet GynRB,1993,52(3):151-156.
6Marshall NE,Fu R,Guise JM.Impact of multiple cesarean deliveries on maternal morbidity:a systematic review[J].Am J Obstet Gynecol,2011,205(3):262.
7Desai N,Krantz D,Roman A,et al.Elevated first trimester PAPP-A is associated with increased risk of placenta accreta[J].Prenat Diagn,2013 Nov 14.doi:10.1002.
8Meng X,Xie L,Song W.Comparing the diagnostic value of ultrasound and magnetic resonance imaging for placenta accreta:a systematic review and meta-analysis[J].Ultrasound Med Biol,2013,39(11):1958-1965.