Substance Use in Pregnancy and its Association With Cardiovascular Events

Abstract Background: Substance use and cardiovascular (CV) events are increasing among pregnant women in the United States, but association between substance use in pregnancy and CV events remains unknown. Objectives: The purpose of this study was to examine the association between substance use and acute CV events in pregnancy. Methods: We identified all women with a delivery hospitalization between 2004 and 2018 in the Nationwide Inpatient Sample, stratified on the presence or absence of substance use. The primary outcome was