6Gielchinsky Y,Rojansky N,Fasouliotis SJ,et al.Placenta accrete-summary of 10 years:a survey of 310 cases[J].Obstet Gynecol,2004,104(3):527-530.
7Chattopadhyay SK,Kharif H,SherbeeniMM.Placenta praevia andaccreta after previous caesarean section[J].European Journal ofObstetrics&Gynecology and Reproductive Biology,1993,52 (3):151-156.
8RASHBAUM WK,GATES EJ,JONES J,et al.Placenta acct-taencountered during dilation and evacuation in the sec-ondtrimeter[J].Obstet Gynecol,1995,85:701-703.
9KlemettiR,CheX,GaoY,etal Cesarean section delivery among primiparous women in rural China:an emerging epidemic[J].Am J Obstet Gynecol 2010;202:65,e1e.
10Rashbaum WK,Gates EJ,Jones J. Placenta acctta encountered during dilation and evacuation in the second trimeter[J].Obstetrics and Gynecology,1995.701-703.
