Bishop score

Dr Henry Knipe and Dr Subhan Iqbal et al.

The Bishop score is a criterion for successful induction of labor, vaginal delivery and includes the age of gestation, parity, presenting part of the fetus, previous history of childbirths and consent of the patient. This score decides whether a patient needs cervical ripening or not 1,4.

Bishop scoring is performed with a digital cervical exam of a patient, ranging from 0 to13 points 1,2

Contraindications of digital cervical examination include 1-3:

  • posterior: 0 point
  • middle: 1 point
  • anterior: 2 point
  • firm: 0 point
  • medium: 1 point
  • soft: 2 point
  • 0-30%: 0 point
  • 40-50%: 1 point
  • 60-70%: 2 point
  • >80%: 3 point
  • closed: 0 point
  • 1-2cm: 1 point
  • 3-4cm: 2 point
  • 5+ cm: 3 point
  • -3 : 0 point
  • -2: 1 point
  • -1: 2 point
  • +1/+2: 3 point

+1 point for previous vaginal birth

-1 point for the first birth

  • <3: suggests induction would not be successful
  • < 5: labor does not begin without induction
  • >9: suggests labor will begin spontaneously

Article information

rID: 88308
System: Obstetrics
Tag: case3, cases
Synonyms or Alternate Spellings:
  • Bishop-score
  • Bishop’s score

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