Placenta Accreta Flashcards
1
Q
what is placenta accreta?
A
attachment of the placenta to the myometrium, due to a defective decidua basalis => placenta does not separate properly during labour => risk of PPH
2
Q
what are the risk factors for placenta accreta?
A
- previous caesarean section
2. placenta praevia
3
Q
how many types of placenta accreta are there?
A
3, depending on the degree of invasion: accreta, increta and percreta
4
Q
what is accreta?
A
chorionic villi attach to myometrium, rather than being restricted within decidua basalis
5
Q
what is increta?
A
chorionic villi invade into the myometrium
6
Q
what is pancreta?
A
chorionic villi invade through perimetrium
