Know the facts about vaping while you're pregnant Nicotine exposure can increase the risk of low birthweight or premature birth, harm brain and lung development, and increase risk of 4 myths about vaping and pregnancy busted Your Pregnancy Matters UT Southwestern Medical Center Smoking and Pregnancy: The Risks of Vaping A pregnant woman smokes a vape while sitting on the couch. Close up of the abdomen Stock Photo Alamy Smoking, vaping & pregnancy: in pictures Raising Children Network Women who vape are more likely to have low birthweight babies, study shows UCLA