What is placenta accreta?

Accreta placentation is a clinicopathologic diagnosis at delivery when 1 or more placental lobules are abnormally attached into a myometrial scar or congenital defect requiring surgical removal. Over 90% of cases of placenta accreta spectrum are found in patients with a prior history of cesarean delivery presenting with a low-lying placenta or a placenta previa developing inside a lower uterine segment scar. Placenta previa accreta is a complex obstetric condition, and management strategies and clinical outcomes are directly linked to the quality of epidemiology data. We have recently questioned the concept of overinvasive placentation and placenta percreta, providing evidence that surgical manipulation of a…