Nitrous Oxide in Labor: Predictors of Use and Conversion to Epidural Anesthesia [20P]

INTRODUCTION:We evaluated factors associated with conversion from nitrous oxide (NO2) to epidural anesthesia in laboring women.METHODS:We conducted a retrospective cohort study including women who delivered at an academic tertiary center during 1/1/2015-6/30/2017. Women with planned Cesarean deliver