Secondhand Smoke Is a Risk for Pregnant and Breastfeeding Moms The Wellness Coalition 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, Tobacco Smoke, Vaping, and Asthma AAFA.org Second Hand Smoke and Pregnancy American Pregnancy Association Vaping in pregnancy Essential Parent Frontiers Publishing Partnerships Prenatal nicotine exposure during pregnancy results in adverse neurodevelopmental alterations and neurobehavioral deficits