Bishops Score

Last updated 08.03.13

   

Definition

-  Assessement of cervix & fetal station in labour

     

Features

- Predicts need of labour induction

- 5 components assessed on VE

- Bishops score traditionally uses cervical effacement instead of cervical length

Indication

-  IOL

 

Modified Bishop Score

- 1. Cervical Dilation

-  0 = 0cm

-  1 = 1-2cm

-  2 = 2-4cm

-  3 = > 4cm

-  2. Cerervical Length

-  0 = >4cm

-  1 = 2-4cm

-  2 = 1-2cm

-  3 = <1cm

-  3. Cervical Consistency

-  0 = firm

-  1 = intermediate

-  2 = soft

-  4. Cervical Position

-  0 = posterior

-  1 = intermediate/central

-  2 = anterior

-  5. Fetal Station

-  0 = -3

-  1 = -2

-  2 = -1/0

-  3 = +1/+2


Results

- Additional modifiers

-  Add 1 point for Pre-eclampsia & every previous vaginal delivery

- Subtract 1 point for post dates, nulliparous & PPROM

- < 5 = labour unlikely without induction

- 5-9 = may be suitable for ARM

- > 9 = labour likely spontaneous


 

 

References

 

Family Practice Notebook: Bishops Score