Robson’s group | Number of cesarean sections | Rates of cesarean sections (%) | |||
| CHRACERH N = 90 | YCH N = 462 | CHRACERH | YCH | |
1 | 14 | 100 | 15.6 | 21.6 | |
2 | 12 | 50 | 13.3 | 10.8 | |
3 | 18 | 104 | 20 | 22.5 | |
4 | 6 | 30 | 6.7 | 6.5 | |
5 | 28 | 80 | 31.1 | 17.3 | |
6 | 0 | 10 | 0 | 2.2 | |
7 | 4 | 26 | 4.4 | 5.6 | |
8 | 2 | 30 | 2.2 | 6.5 | |
9 | 4 | 8 | 4.4 | 1.7 | |
10 | 2 | 24 | 2.2 | 5.2 | |