Women who vape are more likely to have low birthweight babies, study shows UCLA 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 TECC Blog Vaping Might Beat Nicotine Patches in Helping Pregnant Women Quit Smoking Powers Health