This study obtained data on alcohol consumption from the Behavioral Risk Factor Surveillance System, a national survey of adults, for the years 2011 through 2020. Binge drinking (more than 4 drinks/occasion) and heavy drinking (more than 8 drinks/week) were analyzed for more than 49,000 pregnant women and over one million nonpregnant women.

Read the study results: https://jamanetwork.com/journals/jamanetworkopen/fullarticle/2794816