2Arduini M, Epicoco G, Clerici G. B-Lynch suture, intrauterine bal- loon, and endouterine hemostatic suture for the management of post- partum hemorrhage due to placenta previa accrete[ J]. Int J Gynaecol Obstet ,2010,108 : 191-193.
3Lumbiganon P, Laopaiboon M, Gulmezoglu AM, et al. Method of de- livery and pregnancy outcomes in Asia: the WHO global survey on maternal and perinatal health 2007-08 [ J ]. Lancet, 2010, 375 (9713) :490-499.
4Fawcus S, Moodley J. Postpartum haemorrhage associated with cae- sarean section and caesarean hysterectomy [ J ]. Best Pract Res Clin Obstet Gynaecol,2013,27(2) :233-249.
5Ash A, Smith A, Maxwell D. Caesarean scar pregnancy [ J ]. BJOG, 2007,114 ( 3 ) : 253-263.
6Timor-Tritsch IE, Monteagudo A, Santos R, et al. The diagnosis, treat- ment, and fallow-up of cesarean scar pregnancy[ J]. Am J ObstetGy- neco1,2012,207 ( 1 ) :41-44.
7Chattopadhyay SK, Khariff H, Sherbeeni MM. Placenta previa and ac- creta after previous cesarean section [ J ]. Eur J Obstet Gynecol Re- prod Biol, 1993,52 : 151-156.
8Solheim KN, Esakoff TF, Little SE. The effect of cesarean delivery rates on the future incidence of placenta previa, placenta accreta, and maternal mortality [ J ]. J Matern Fetal Neonatal Med ,2011,24 (11 ) : 1341-1346.
9Wu S, Koeherginsky M, Hibbad JU. Abnormal placentation: twenty- year analysis[ J]. Am J Obstet Gynecol,2005,192 ( 5 ) : 1458-1461.
10Timor-Tfitsch IE, Yunis RA. Confirming the safety of transvaginal sonography in patients suspected of placenta previa [ J ]. Obstet Gy- necol 1993 ;81:742-4.
