Secondhand Smoke and Secondhand Vaping: Both Bad for Kids University Hospitals Know the facts about vaping while you're pregnant Nicotine exposure can increase the risk of low birthweight or premature birth, harm brain and lung development, and increase risk of 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 and Pregnancy One Pager V2 Is Secondhand Vape Smoke Bad For Pregnancy? Experts Explain The Risks Vaping During Pregnancy: Are e Cigarettes Safe for Baby?