In placenta percreta, chorionic villi invade into which area?

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Multiple Choice

In placenta percreta, chorionic villi invade into which area?

Explanation:
In placenta percreta, the invading placental tissue goes beyond the muscular wall of the uterus. The chorionic villi penetrate through the myometrium and can extend into the serosa and adjacent pelvic organs, such as the bladder. This separates percreta from the milder forms: accreta (attachment to the myometrium without invasion) and increta (invasion into the myometrium but not beyond). So the defining area is through the myometrium into surrounding organs.

In placenta percreta, the invading placental tissue goes beyond the muscular wall of the uterus. The chorionic villi penetrate through the myometrium and can extend into the serosa and adjacent pelvic organs, such as the bladder. This separates percreta from the milder forms: accreta (attachment to the myometrium without invasion) and increta (invasion into the myometrium but not beyond). So the defining area is through the myometrium into surrounding organs.

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