14 - bishop score

1. Scoring
1. Cervical Dilation
1. Cervix dilated less than 1 cm: 0
2. Cervix dilated 1-2 cm: 1
3. Cervix dilated 2-4 cm: 2
4. Cervix dilated greater than 4 cm: 3
2. Cervical Length (Effacement)
1. Cervical Length greater than 4 cm (0% effaced): 0
2. Cervical Length 2-4 cm (0 to 50% effaced): 1
3. Cervical Length 1-2 cm (50 to 75% effaced): 2
4. Cervical Length less than 1 cm (greater than 75% effaced): 3
3. Cervical Consistency
1. Firm cervical consistency: 0
2. Average cervical consistency: 1
3. Soft cervical consistency: 2
4. Cervical Position
1. Posterior cervical position: 0
2. Middle or anterior cervical position: 1
5. Zero Station Notation (presenting part level)
1. Presenting part at ischial spines -3 cm: 0
2. Presenting part at ischial spines -1 cm: 1
3. Presenting part at ischial spines +1 cm: 2
4. Presenting part at ischial spines +2 cm: 3
2. Modifiers
1. Add 1 point to score for:
1. Preeclampsia
2. Each prior vaginal delivery
2. Subtract 1 point from score for:
1. Postdates Pregnancy
2. Nulliparity
3. Premature or prolonged Rupture of Membranes
3. Interpretation
1. Indications for Cervical Ripening with prostaglandins
1. Bishop Score less than 5
2. Membranes intact
3. No regular contractions
2. Indications for Labor Induction with Pitocin
1. Bishop Score greater than or equal to 5
2. Rupture of Membranes