Tobacco Smoke, Vaping, and Asthma AAFA.org Vaping in pregnancy Essential Parent Is Secondhand Vape Smoke Bad For Pregnancy? Experts Explain The Risks HEALTH Does vaping cause secondhand smoke? Doctors explain the side effects: Details below. Why you should avoid vaping if you want a baby in future Your Fertility 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,