Health Effects of Maternal Exposure to Thirdhand Chemical Residue from Vape Aerosols Persist Long After Infancy Thirdhand Smoke Resource Center 4 myths about vaping and pregnancy busted Your Pregnancy Matters UT Southwestern Medical Center Vape Residue May Harm Unborn Babies' Immune Systems Respiratory Therapy A TikToker went viral for saying she won't quit vaping while pregnant. The CDC says nicotine products are unsafe for pregnancy.