7Oyelese Y, Smulian JC. Placenta previa, placenta accrete, and vasa previa. Obstet Gynecol, 2006, 107:927-941.
8Dare FO, Oboro VO. Risk factors of placenta increta inlie, nigeria. Niger Postgrad Med J, 2003, 10:42-45.
9Makinen J. Current treatment of ectopic pregnancy. Ann Med, 1999, 31:197-201.
10Descargues G, Mauger TF, Douvrin F, et al. Menses ,fertility and pregnancy after arterial embolization for the control of postpartum hemorrhage. Hum Reprod, 2004, 19: 339-343.