Vaping, Teens & Pregnancy Boston Children's Hospital Vaping may be an effective way to quit smoking during pregnancy New Scientist Smoking, vaping & pregnancy: in pictures Raising Children Network 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, Vaping and Pregnancy: Are E Cigarettes Really Any Safer for You and Your Baby?