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, Can You Vape While Pregnant? Vaped Vaping During Pregnancy: Nicotine, Cannabis, CBD Do you know that vaping or E cigarettes are hazardous during pregnancy as it can affect fetal development. If you are pregnant or trying to become pregnant, you should be aware about the No Nicotine Vape: What's Driving The Shift? Vaping more effective than patches for pregnant women, study finds Dr Colin Mendelsohn