Hidden Dangers of Secondhand Vaping Emory Health Digest Secondhand Smoke Is a Risk for Pregnant and Breastfeeding Moms The Wellness Coalition 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 Vaping during pregnancy Tommy's 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 Health Problems Caused by Secondhand Smoke Smoking and Tobacco Use CDC