Characteristics of second hand exposure to aerosols from e cigarettes: A literature review since 2010 ScienceDirect Vaping before, during and after pregnancy: leaflets and infographics ASH E Cigarettes and Pregnancy Maternal Infant Health CDC Second hand smoke is highly toxic. Here's what happens when pregnant women and their babies are exposed to second hand smoke. Health Effects of Maternal Exposure to Thirdhand Chemical Residue from Vape Aerosols Persist Long After Infancy Thirdhand Smoke Resource Center