Characteristic | Successful VBAC; | Failed VBAC; |
---|---|---|
Age; median (min-max) | 30(24-40) | 31(21-41) |
BMI | 27.3(21.5-35.6) | 27.8(21.5-39.5) |
Parity | 1(1-3) | 1(1-2) |
1 > 1 | 87.2% 12.8% | 86.4% 13.6% |
Interval between cesarean and LMP, months | 41.9(17.2-62.1) | 43.6(18.3-63.2) |
No. of previous successful VBAC | 4(1-4) | 4(1-4) |
Cervical dilation at presentation | 4(1-10) | 3(1-10) |
Station at presentation | frequency (n = 44) | frequency(n = 45) |
Less than -2 -1 0 1 and above | 5 12 22 5 | 7 15 20 3 |
Duration of 1st stage(hrs); mean (SD) | 6.6(2.5) | 6.9(3.8) |