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 Vaping may seem safer than smoking, but it's not risk freeespecially for your baby. Nicotine, heavy metals, and other toxic chemicals in e cigarettes can affect fetal growth, brain development, and long term health. Even Frontiers Publishing Partnerships Prenatal nicotine exposure during pregnancy results in adverse neurodevelopmental alterations and neurobehavioral deficits Vaping During Pregnancy: Nicotine, Cannabis, CBD