Animal Study Shows Harmful Effects of Secondhand Smoke Even Before Pregnancy Duke Health Hidden Dangers of Secondhand Vaping Emory Health Digest Vaping and Pregnancy: Are E Cigarettes Really Any Safer for You and Your Baby? 4 myths about vaping and pregnancy busted Your Pregnancy Matters UT Southwestern Medical Center Women who vape are more likely to have low birthweight babies, study shows UCLA Vaping more effective than patches for pregnant women, study finds Dr Colin Mendelsohn