Busting the Myths About Smoking and Vaping During Pregnancy Study finds vaping in pregnancy harms both mothers and babies Quitting Smoking While Pregnant Smokefree QTVP Quit Tobacco or Vaping in Pregnancy Lane County Quitting Smoking While Pregnant Smokefree 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,