Parameters | Spontaneous delivery | Operative delivery | Cesarean due to obstructed labor | p-Value |
Station | −2 ± 0.9 | −2.1 ± 0.8 | −2.5 ± 0.8 | 0.02 |
Transverse diameter (cm) | 13.1 ± 1 | 13 ± 1.1 | 13.1 ± 1.3 | 0.78 |
Obstetric conjugate (cm) | 12.8 ± 1.6 | 12.1 ± 1.3 | 13.1 ± 1.4 | 0.30 |
Intersipnous diameter (cm) | 9.4 ± 1.1 | 9.2 ± 1 | 8.9 ± 1.2 | 0.03 |
Biparietal diameter (cm) | 9.5 ± 0.6 | 9.4 ± 0.5 | 9.5 ± 0.7 | 0.90 |
Occipitofrontal diameter (cm) | 11.5 ± 0.8 | 11.5 ± 1.4 | 11.4 ± 1 | 0.36 |
Inter ilium diameter (cm) | 17.6 ± 8.9 | 17.1 ± 10.3 | 18 ± 9.4 | 0.68 |