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, Is Nicotine Free Vaping Safer? E Cigarettes (Vapes) Smoking and Tobacco Use CDC Vaping more effective than patches for pregnant women, study finds Dr Colin Mendelsohn SA Health Smoking and vaping during pregnancy can be harmful to your unborn baby. The chemicals in cigarettes and vapes can damage your baby's Instagram Dangers of Smoking During Pregnancy Explained by Expert Midwife