Abstract
Objective. The overall annual incidence rate of caesarean delivery in the United Sates has been steadily rising since 1996, reaching
32.9% in 2009. Primary cesareans often lead to repeat cesareans, which may lead to placenta previa and placenta accreta. This
study’s goal was to forecast the effect of rising primary and secondary cesarean rates on annual incidence of placenta previa,
placenta accreta, and maternal mortality