Second hand smoke is highly toxic. Here's what happens when pregnant women and their babies are exposed to second hand smoke. Second hand vaping exposure very low compared to second hand smoking UCL News UCL University College London Vaping before, during and after pregnancy: leaflets and infographics ASH Secondhand Vape Exposure: Effects, Who's at Risk, and More 4 myths about vaping and pregnancy busted Your Pregnancy Matters UT Southwestern Medical Center A smoke and vape free environment is one of the simplest ways to help protect your baby's health. Exposure before and after birth can increase the risk of SIDS and other serious health