Busting the Myths About Smoking and Vaping During Pregnancy Light smoking' before pregnancy can cause major health problems Vaping And Pregnancy TECC Blog Vaping more effective than patches for pregnant women, study finds Dr Colin Mendelsohn 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, While vaping is not risk free, it is less harmful than tobacco Our World in Data