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 Electronic cigarettes versus nicotine patches for smoking cessation in pregnancy: a randomized controlled trial Nature Medicine 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, Can You Smoke A Vape While Pregnant Vaping Zero Nicotine While Pregnant