Second Hand Smoke and Pregnancy American Pregnancy Association 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 Smoking and Vaping in Pregnancy Findings Report Tobacco Smoke, Vaping, and Asthma AAFA.org Health Risks of Secondhand Smoke and Aerosols Factsheet US EPA The Real Risks of Vaping While Pregnant