Substance Use and Use Disorders During Pregnancy and the Postpartum Period

( Am J Obstet Gynecol . 2025;232:337-353.e1. doi: 10.1016/j.ajog.2025.01.007.) Substance use disorders (SUDs) during pregnancy have risen dramatically in the last few decades, with overdose death rates tripling between 2018 and 2021. Though it is common, there is a lack of education and training. This expert review addresses identification, screening, specific types of substance use, their epidemiology and effects, and potential treatments for each, as well as legal and ethical implications for clinicians and the specific role of OBGYN providers.