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, Avoid Impairment Safe Sleep Academy E Cigarette Use During Pregnancy & Breastfeeding FAQs HealthyChildren.org 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,