Obstetrics and Gynecology

Bishop scores

0 1 2 3
0-4 45%
5-9 10%
10-13 0%
 
Dilation closed 1-2 cm 3-4 cm 5+
Effacement 0-30% 40-50% 60-70% 80+%
Station -3 -2 -1 +1/+2
Cervix Position posterior middle anterior --
Cervix Consistency firm medium soft --
Add 1 for preeclampsia vaginal delivery
Subtract 1 for post-dates nulliparity late/early ROM
 
OB-GYN
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Last Modified December, 1996