E Cigarettes and Pregnancy Maternal Infant Health CDC Second hand smoke is highly toxic. Here's what happens when pregnant women and their babies are exposed to second hand smoke. Children to be better protected from second hand smoking and vaping GOV.UK Vape Residue May Harm Unborn Babies' Immune Systems Respiratory Therapy Male Partner Father Flyer Safe Sleep NC Thirdhand Smoke: Babies, Symptoms, SIDS, Effects, and More