†OB-GYN 2

Question 1

Delivery of placenta previa with no accrete syndrome

Answer 1

36-37 weeks

if with accrete syndrome, 34-35 weeks (Williams)

Question 2

risk of previa with concurrent accreta after2 CS

Answer 2

11%

1 CS: 3%
2 CS: 11%
3 CS: 40%

4 CS: 60%
5 CS: 67%

Question 3

Remarks on feta vessel rupture

Answer 3

1. most are due to insertion of vessels bet chorion and amnion
2. fetal vessels may be plapated and recognied through a dilated cervix
3. yellow-brown on apt test significes maternal blood
   pink - fetal blood
4. artificial rupture of membranes is CONTRAINDICATED in trial of labor