3McKenna DA,Poder L,Goldman M,et al.Role of sonography in the recognition,assessment,and treatment of cesarean scar ectopic pregnancies[J].J Ultrasound Med,2008,27:779 -783.
4Maymon R,Halperin R,Mendlovic S,et al.Ectopic pregnancies in a Caesarean scar:review of the medical approach to an iatrogenic complication[J].Hum Reprod Update,2004,10:515-523.
5Valley MT,Pierce JG,Daniel TB,et al.Cesarean scar pregnancy:imaging and treatment with conservative surgery[J].Obstet Gynecol,1998,91:838-840.