Risk of accreta if placenta praevia with recurrent cs
1st - 5th = 3, 11, 40, 61, 67%
Risk of rupture after 1 cs
0.5%
Risk of rupture after 2 cs
0.9-1.8%
Risk of perinatal mortality with symptomatic rupture
5%
Risk of rupture with misoprostol as iol agent
5.6%
Increased risk if previous placenta praevia?
10 fold (OR 9.7)
Increased risk of praevia if previous CS?
OR of 2.2, 4.1, 22.4 for 1 / 2 / 3 previous sections