Fatal and Nonfatal Overdose Among Pregnant and Postpartum Women in Massachusetts

OBJECTIVE: To estimate fatal and nonfatal opioid overdose events in pregnant and postpartum women in Massachusetts, comparing rates in individuals receiving and not receiving pharmacotherapy for opioid use disorder (OUD). METHODS: We conducted a population-based retrospective cohort study using linked administrative and vital statistics databases in Massachusetts to identify women with evidence of OUD who delivered a liveborn neonate in...