Table 1.
Score | Dilation (cm) |
Position of Cervix | Cervical Consistency | Effacement (%) |
Station (−3 to +3) |
---|---|---|---|---|---|
0 | Closed | Posterior | Firm | 0–30 | −3 |
1 | 1–2 | Mid-position | Medium | 40–50 | −2 |
2 | 3–4 | Anterior | Soft | 60–70 | −1, 0 |
3 | 5–6 | Anterior | Soft | 80 or higher | +1, +2 |
Adapted from the Perinatology Bishop Score Calculator.15