Vaping does not harm pregnant women or babies, shocking study claims 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 Can Vaping Cause A Miscarriage Can You Vape While Pregnant? Is It Safe Or Not Australia Baby In Early Pregnancy Breastfeeding moms using tobacco or e cigarettes can pass harmful chemicals to their babies. Dont smoke or vape to ensure the healthiest start for your baby. Learn more at https: www.cdc.gov breastfeeding special circumstances hcp vaccine medication