Vaping in pregnancy Essential Parent Frontiers Publishing Partnerships Prenatal nicotine exposure during pregnancy results in adverse neurodevelopmental alterations and neurobehavioral deficits Is Second Hand Vape Smoke Bad For You? Learn How to Avoid its Side Effects Should I Be Concerned About Secondhand Vaping? 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, Vape residue may harm unborn babies, mouse study suggests