Tobacco smoking and vaping in pregnancy and neonatal outcomes: results from a UK cohort study 2nd Hand Vape Smoke And Pregnancy In the United States, about 8% of all women who are pregnant smoke cigarettes, and another roughly 4% report using electronic cigarettes or vapes. To learn Vape Residue May Harm Unborn Babies' Immune Systems Respiratory Therapy Health Problems Caused by Secondhand Smoke Smoking and Tobacco Use CDC A smoke free and vape free environment during and after pregnancy is essential for your baby's safety. Learn more at SNHD.INFO SUID. Vaping during pregnancy Tommy's