Vape residue may harm unborn babies Characteristics of second hand exposure to aerosols from e cigarettes: A literature review since 2010 ScienceDirect Second hand smoke poses significant risks not only to adults but also to unborn babies. Eliminating exposure to second hand smoke during pregnancy is essential for the health of both mother and child, as 2nd Hand Vape Smoke And Pregnancy In the United States, about 8% of all women who are pregnant smoke cigarettes, and another roughly 4% report using electronic cigarettes or vapes. To learn Smoking and vaping patterns during pregnancy and the postpartum: A longitudinal UK cohort survey ScienceDirect Breast Cancer & E Cigarettes: Is Vaping a Safer Alternative to Smoking? Maurer Foundation