Definition of Lin and Rouse for Failed Labor Induction

Description

Lin and Rouse compared several different criteria for what constitutes a failed induction. They developed a definition based on maternal physiology that may provide practical guidance to obstetricians. The authors are from the University of Alabama at Birmingham.

Features:

(1) minimum of 12 to 18 hours after membrane rupture (including amniotomy)

(2) infusion of an adequate dose of oxytocin (sufficient to provide 5 contractions every 10 minutes or 250 Montevideo Units)

(3) cervical dilation - one or both of the following:

(3a) < 4 cm AND < 90% effacement

(3b) < 5 cm irregardless of effacement

where:

• The time interval reflects the interval in which most women progress to active labor.

• For the implementation 16 hours is used (a value between 12 and 18).

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Description

Specialty

ICD-10