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 Are vapes and nicotine patches safe to use in pregnancy? Tommy's 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 Women who vape are more likely to have low birthweight babies, study shows UCLA Busting the Myths About Smoking and Vaping During Pregnancy