Placenta accreta, increta, percreta

Question 1

What is the difference between accreta, increta, percreta?

Answer 1

The degree of presentation of the placenta into the myometrium

Accreta: Stratum basal of the myometrium missing
Increta: Infiltration into the myometrium
Percreta: Penetration through the myometrium

Question 2

What are some risk factors for them?

Answer 2

Previous caesarean sections

Question 3

How are they delivered?

Answer 3

C-section and hysterectomy