How is the Bishop Score Calculated?

The Bishop Score

Score	0	1	2	3
Dilation of cervix in centimeters	0	1 or 2	3 or 4	5 or more
Consistency	Firm	Medium	Soft
Length	<2cm	2-1	1-0.5 cm	<0.5cm
Position	Posterior	Central	Anterior
Station of presenting part	-3	-2	-1 or 0	Below ischial spines

What is the Bishop Score?

The Bishop Score is a scoring system used to assess the cervix during induction of labour.

During labor, there is spontaneous softening, shortening, effacement, and dilation of cervix. Cervix also moves forward from posterior position to more anterior position.

Factors more favourable for labor are

Dilated cervix
Soft consistency
Short cervix
Anterior position of cervix
Lower position of fetal presenting part

Based on above factors the Bishop Score is calculated.

What does a High or a Low Bishop Score mean?

The maximum value for the Bishop score is 13. A high Bishop Score means that the cervix is favourable for a shorter, easier, and successful labour.

A Low Bishop Score means that the factors like dilation, consistency, length, or position of cervix and the position of fetal presenting part are unfavourable for labor. In such cases, labour is more likely to be more difficult, longer, and is more likely to fail and may require a C-Section.

What are different methods of induction of labor?

Tags: medical student guidebook, gynae obs notes, bishop score, cervix, labor, easy medical student notes, medical school notes, obstetrics review notes for medical exams.

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