Pregnant parents told vaping doesn't harm unborn babies The Independent Vape Residue May Harm Unborn Babies' Immune Systems Respiratory Therapy 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 Early life secondhand smoke exposure assessed by hair nicotine biomarker may reduce children's neurodevelopment at 2 years of age ScienceDirect Tobacco Smoke, Vaping, and Asthma AAFA.org Symptoms Of Second Hand Vape Smoke Can Second Hand Vape Smoke Affect Pregnancy Second hand smoke