Credit: Regan, Annette K.; Bombard, Jennifer M.; O’Hegarty, Michelle M.; Smith, Ruben A.; Tong, Van T.
Obstetrics & Gynecology : June 10, 2021
doi: 10.1097/AOG.0000000000004432
Adjusted prevalence ratios for preterm birth, small-for-gestational age birth, or low birth weight comparing frequency of electronic cigarette (e-cigarette) use† during the last 3 months of pregnancy with nonuse, by combustible cigarette smoking status during pregnancy—PRAMS (Pregnancy Risk Assessment Monitoring System), 37 states and New York City, 2016–2018.