Probability of successful vaginal delivery (Bishop score)
Predicting which women will successfully deliver with induction can be difficult. The Bishop score is a standardized system used to evaluate the probability of successful vaginal delivery.
Research authors: Bishop EH.
Details Custom formula Study characteristics Files & References
★★
Model author
Model ID
1293
Version
1.24
Revision date
2018-04-26
Specialty
MeSH terms
  • Obstetric Delivery
  • Model type
    Linear model (Calculation)
    Status
    public
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    Formula
    No Formula defined yet
    Condition Formula

    Additional information

    Scores were obtained at the time of 500 vaginal examinations performed on patients who fulfilled all the basic criteria for induction but, instead, were allowed to progress to the spontaneous onset of labor. Utilization of such a score permits the obstetrician to perform elective induction of labor in close proximity to the time when spontaneous onset of labor would naturally occur. 

    Source: 
    Bishop EH. Pelvic scoring for elective induction. Obstet Gynecol. 1964;24:266-8.

    Study Population

    Total population size: 500
    Males: {{ model.numberOfMales }}
    Females: {{ model.numberOfFemales }}

    Additional characteristics

    No additional characteristics defined

    Related files

    Supporting Publications

    Total Bishop score:
    ...
    points

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    Result
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    Total Bishop score: points

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    Outcome stratification

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    Conditional information

    Result interpretation

    How this model should be used:
    Predicting which women will successfully deliver with induction can be difficult. The Bishop score is a standardized system used to evaluate the probability of successful vaginal delivery.

    Context information:
    The Bishop score for vaginal delivery and induction of pregnancy was originally developed to predict failure of elective induction in multiparous women. It is commonly considered for predicting the need for caesarean section after induction and preterm labor.

    Note:
    The scoring system was developed prior to cervical ripening agents.

    References:
    Bishop EH. Pelvic scoring for elective induction. Obstet Gynecol. 1964;24:266-8.

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    Calculations alone should never dictate patient care, and are no substitute for professional judgement. See our full disclaimer.

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