Health Risks of Secondhand Smoke and Aerosols Factsheet US EPA We've updated our vaping during pregnancy resource. Created in partnership with ASH, the Royal College of Midwives and Sands, the infographic has important guidance around vapes and pregnancy. The resource is now Nicotine products in any form, whether from cigarettes, vaping or chewing tobacco, pass into a mother's bloodstream and through the placenta to the growing baby. Quitting nicotine is hard for many people, Health Problems Caused by Secondhand Smoke Smoking and Tobacco Use CDC