Women who vape are more likely to have low birthweight babies, study shows UCLA Can You Vape While Pregnant? Vaped Busting the Myths About Smoking and Vaping During Pregnancy 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 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,