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, Women who vape are more likely to have low birthweight babies, study shows UCLA Vaping While Pregnant? Duke Study Reveals Dangers to Fetal Growth and Development in Mouse Model Duke Health The risks of secondhand smoke Tommy's Vape residue may harm unborn babies