Women who vape are more likely to have low birthweight babies, study shows UCLA 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, Why you should avoid vaping if you want a baby in future Your Fertility Vaping During Pregnancy: Nicotine, Cannabis, CBD Busting the Myths About Smoking and Vaping During Pregnancy