| Odds ratio | CI |
---|---|---|
Placenta praevia | 6.087 | [3.813–9.778] |
Previous endometritis | 3.011 | [1.060–9.018] |
Previous manual placenta removal | 2.530 | [1.700-3.796] |
Assisted reproductive technology | 2.169 | [1.593–2.960] |
Previous Caesarean section | 1.408 | [1.016–1.950] |
Infection in pregnancy | 0.696 | [0.511–0.946] |
Asherman syndrome | 0.405 | [0.138–1.113] |
Previous abortion curettage > 18 weeks | 0.268 | [0.114–0.612] |
Vaginal operative delivery | 1.715 | [1.225–2.428] |
Elective Caesarean section | 0.064 | [0.046–0.088] |
Non-elective Caesarean section | 0.064 | [0.047–0.086] |