Vaping before, during and after pregnancy: leaflets and infographics ASH 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, Smoking and Tobacco Use Vaping during pregnancy Tommy's Is vaping safer than smoking when you're pregnant? Experts weigh in BabyCenter Quitting nicotine while pregnant: Answers to 5 frequently asked questions