Objective: The purpose of this study was to evaluate trends and prevalence of chronic prescription narcotic use during pregnancy and the subsequent neonatal outcomes.
Study Design: We conducted a retrospective cohort study of all deliveries at Mayo Clinic from 1998 through 2009; the data was obtained from prospectively maintained obstetrics and neonatal databases.
Results: Over the study time period, there were 26,314 deliveries; 167 women used prescription narcotics chronically during pregnancy.