Modified from Bishop EH. Pelvic scoring for elective induction. Obstet Gynecol 1964;24:267 Source: ACOG Practice Bulletin, Number 10, November 1999 FACTOR SCORE DILATATION (cm) EFFACEMENT (%) STATION* CERVICAL CONSISTENCY POSITION OF CERVIX 0 1 2 3 Closed 1-2 3-4 5-6 0-30 40-50 60-70 80 -3 -2 -1, 0 +1, +2 Firm Medium Soft — Posterior Mid-position Anterior — * Station reflects a -3 to +3 scale Published: 6 August 2009Read More