Woman's Doctor: Is vaping during pregnancy dangerous? Smoking, vaping & pregnancy: in pictures Raising Children Network 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 Vaping During Pregnancy: Are e Cigarettes Safe for Baby? Flavored e cigarettes modulate embryo development, fetal growth, and potentiate early fetal demise without nicotine Communications Medicine