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. 2009 Summer;11(3):173–176.

Table 1.

Classification of Placenta Accreta by Degree of Invasion

Placenta accreta vera
Placental villi adhere to superficial myometrium
Placenta increta
Placental villi adhere to the body of the myometrium
Placenta percreta
Placental villi penetrate the full thickness of the myometrium