Bishop Score0123
Dilation (cm)01–23–45–6
Effacement (%)0–3031–5051–7980–100
Fetal descent−3−2−1, 0+1, +2
Cervix consistencyFirmMediumSoftNA
Cervix positionPosteriorMiddleAnteriorNA

Adapted from Obstet Gynecol 1964;24:266–8.

From: Elective Induction of Labor: Safety and Harms

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Comparative Effectiveness Review Summary Guides for Clinicians [Internet].
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