Enter relative fields in the Bishop score calculator and know your Bishop score for labor.
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The bishop score calculator evaluates the specific Bishop score of a pregnant woman along with clinical advice. This is critical to understand the probability of normal delivery versus C-section.
The Bishop score is used to predict how close a woman is to labor. Gynecologists examine the cervix to determine the score. A score within the normal range indicates higher chances of a successful normal birth.

The Bishop score ranges from 0 to 13. A score of 0 means you are not ready for induction, while a score of 13 indicates better chances for induction. This score helps in evaluating fetal position and readiness for labor.
Healthcare providers use the following 5 factors to calculate your Bishop score:
Dilation refers to how open the cervix is in preparation for labor. A fully dilated cervix is about 10 centimeters. Dilation is measured manually and can be uncomfortable. Using a bishop score calculator helps assess cervix readiness more easily.
Effacement refers to the thinning or shortening of the cervix. A fully effaced cervix (100%) is paper-thin. This is evaluated by the Bishop score and indicates readiness for labor.
Consistency describes how firm or soft the cervix feels. A softer cervix indicates it is preparing for labor, while a firmer cervix shows it is less ready.
The consistency of the cervix refers to how soft or firm it is. Women with a softer, more flexible cervix are more likely to dilate naturally and experience labor pains. You can compare cervix softness to the softness of your lips versus the firmness of your nose tip.
As labor approaches, the cervix moves closer to the birth canal. The position can be:
Fetal position measures the baby's head location relative to the ischial spine in the pelvis.
The Bishop score chart factors have 3 or 4 options to indicate how favorable the cervix is for labor.
| Dilation of Cervix | Position of Cervix | Effacement of Cervix | Consistency of Cervix | Fetal Position | Number of Points |
|---|---|---|---|---|---|
| Closed | Posterior | 0% - 30% | Firm | -3 | 0 |
| 1-2 cm | Middle | 40% - 50% | Medium | -2 | 1 |
| 3-4 cm | Anterior | 60% - 70% | Soft | -1, 0 | 2 |
| 5+ cm | -- | 80% | -- | +1, +2 | 3 |
The Bishop score for induction can be calculated online using the following inputs and outputs:
A higher Bishop score indicates that labor is closer and induction has a good chance of success. A good Bishop score is generally considered to be 8 or higher.
A Bishop score of 10 suggests that you may go into labor soon. If induction were needed, a normal delivery is highly likely.
The Bishop score is named after Edward Bishop, who created it in 1964 to predict the success of labor induction based on five criteria.
A modified Bishop score considers three factors instead of the original five, allowing healthcare providers to simplify the assessment while still predicting labor readiness.
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