4Seow KW, Huang LW, Lin YH, et al. Cesarean scar pregnancy: issue in management [ J ]. Ultrasound Obstet Gynecol, 2004, 23 ( 3 ) : 247 - 253.
5Ash A, Smith A, Maxwell D. Caesarean scar pregnancy. BJOG,2007,114(3) :253.
6Wang CB,Tseng CJ. Primary evacuation therapy for cesar- ean scar pregnancy:three new cases and review[ J ]. Ultra- sound Obstet Gynecol,2006,27 (2) : 222.
7Rosen T. Placenta accreta and cesarean scar pregnancy:o- verlooked costs of the rising cesarean section rate [ J ]. Clin Perinato1,2008,35 ( 3 ) :519.
8Maymon R, Halperin R, Mendlovie S, et al. Eetopic preg- nancies in a caesarean scar: review of the medical ap- proach to an iatrogenic complication[ J ]. Hum Reprod Update,2004,10(6) :515.
9Fylstra DL. Ectopic pregnancy within a cesarean scar: a review [ J ]. Obstet Gynecol Surv ,2002 ,57 (8) :537.
10Gurel S, Sarikaya B, Gurel K, et al. Role of sonography in the diagnosis pf ectopic pregnancy [ J ]. Clin Ultrasound, 2007,35 (9) :509.