Busting the Myths About Smoking and Vaping During Pregnancy Can You Vape While Pregnant? Evidence Based Guide Vaping While Pregnant? Duke Study Reveals Dangers to Fetal Growth and Development in Mouse Model Duke Health Smoking or vaping during pregnancy can create risks for you and your baby. Quitting is the best thing you can do for you, your partner and your baby's health. If you 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, Light smoking' before pregnancy can cause major health problems