Vaping during pregnancy Tommy's Health Effects of Maternal Exposure to Thirdhand Chemical Residue from Vape Aerosols Persist Long After Infancy Thirdhand Smoke Resource Center Secondhand Smoke Is a Risk for Pregnant and Breastfeeding Moms The Wellness Coalition 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 Health Problems Caused by Secondhand Smoke Smoking and Tobacco Use CDC