Vaping and Pregnancy: Debunking Miscarriage Myths Study finds vaping in pregnancy harms both mothers and babies Smoking, vaping & pregnancy: in pictures Raising Children Network Vaping While Pregnant? Duke Study Reveals Dangers to Fetal Growth and Development in Mouse Model Duke Health Did you know? Smoking or vaping during pregnancy can harm both mom and baby. Increases risk of premature birth Raises chances of low birth weight Can affect brain Light smoking' before pregnancy can cause major health problems