| Ripeness | 0 | 1 | 2 | 3 |
| Cervical length (cm) | >2 | 1 or 2 | <1 | Fully taken up |
| Cervical dilatation (cm) | 0 | 1 or 2 | 3 or 4 | ⩾5 |
| Cervical consistency | Firm | Medium | Soft | NA |
| Position of cervix | Posterior | Central | Anterior | NA |
| Station of presenting part (cm above ischial spines) | 3 | 2 | 1 or 0 | Below ischial spines |
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