Smoking during pregnancy March of Dimes Is It Safe To Smoke A Vape Around A Pregnant Woman? Is Second Hand Vape Smoke Bad For You? Learn How to Avoid its Side Effects 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