Dhall et al proposed a score for evaluating pregnant women for labor induction. It was developed from an initial group of 11 variables and was modeled after the Bishop score.
Parameters:
(1) effacement
(2) consistency of the cervix
(3) dilatation
(4) parity of the mother
Parameter
Finding
Points
effacement
0 - 30%
0
40 - 60%
1
> 60%
2
consistency
firm
0
medium
2
soft
4
dilatation
closed
0
1 - 2 cm
3
3 - 4 cm
6
> 4 cm
9
parity
primi
0
multi
4
score of Dhall et al =
= SUM(points for the 4 parameters)
Interpretation:
• minimum score: 0
• maximum score: 19
• A score >= 7 in a multiparous woman is reported to be more sensitive and specific than a Bishop score >= 4 (induction usually successful).
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