4Fitzpatrick KE,Sellers S,Spark P,et al. Incidence and Risk Factors for Placenta Accreta/Increta/ Percreta in the UK: A National Case - Control Study [J]. PLoS One,2012,7(12): e52893.
5Bowman ZS, Eller AG, Bardsley TR, et al. Risk factors for placenta accreta; a large prospective cohort.[J]. Am J Perinatol,2014,31(9):799-804.
6Gielchinsky Y,Roiansky N,Fasouliotis SJ, et al. Placenta accreta -summary of 10 years: a survey of 310 cases [J]. Placenta,2002,23(2-3):210-214.
7Usta IM, Hobeika EM, Musa AA, et al. Placenta previa - accreta :risk factors and complications [J]. Am J Obstet Gynecol,2005,193(3 Pt 2);1045-1049.
8Zaki ZM,Bahar AM,Ali ME,et al. Risk factors and morbidity in patients with placenta previa accreta compared to placenta previa non - accreta [J]. Acta Obstet Gynecol Scand,1998,77(4):391-394.
9Silver RM, Landon MB, Rouse DJ, et al. Maternal morbidity associated with multiple repeat cesarean deliveries[J]. Obstet Gynecol,2006,107(6);1226-1232.
10Eshkoli T, Weintraub AY, Sergienko R, et al, Placenta accreta: risk factors, perinatal outcomes, and consequences for subsequent births[J]. Am J Obstet Gynecol,2013 ,208(3):219. e1- e7.
