Induction of labor is a widely used practice. From 2016 to 2019, >1 in 3 women giving birth in the United States did so after undergoing labor induction. The obvious goal of labor induction is vaginal birth with minimal maternal or neonatal morbidity. To achieve this goal, criteria for failed labor induction are needed. Herein, we provide an evidence-based approach to safely prevent unnecessary cesarean deliveries for failed induction. Although there are no randomized trials comparing failed labor induction criteria, the observational data have been consistent: if the status of the mother and the fetus permits, at least 12 to 18 hours of oxytocin should be administered after membrane rupture before deeming an induction of labor to have failed because of nonprogression to the active phase of labor.
Keywords: failed induction; induction of labor.
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