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 Symptoms Of Second Hand Vape Smoke Can Second Hand Vape Smoke Affect Pregnancy Second hand smoke Breast Cancer & E Cigarettes: Is Vaping a Safer Alternative to Smoking? Maurer Foundation Vape residue may harm unborn babies Secondhand Smoke Vermont Department of Health Busting the Myths About Smoking and Vaping During Pregnancy