Smoking and vaping patterns during pregnancy and the postpartum: A longitudinal UK cohort survey ScienceDirect Health Effects of Maternal Exposure to Thirdhand Chemical Residue from Vape Aerosols Persist Long After Infancy Thirdhand Smoke Resource Center Exposure to Thirdhand Smoke Harms the Health of Pregnant Women Thirdhand Smoke Resource Center We've updated our vaping during pregnancy resource. Created in partnership with ASH, the Royal College of Midwives and Sands, the infographic has important guidance around vapes and pregnancy. The Tommy's