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, A new study from The Ohio State University found that vaping during pregnancy, even without nicotine, can change a baby's skull and face shape. Researchers exposed pregnant mice to common vape liquids Flavored e cigarettes modulate embryo development, fetal growth, and potentiate early fetal demise without nicotine Communications Medicine Smoking, vaping & pregnancy: in pictures Raising Children Network CU Anschutz Study Shows Vaping Nicotine While Pregnant May Impact Fetal Development Women should give up vaping if they want to get pregnant, study suggests Vaping The Guardian