Vapes 'do not harm pregnant women or their baby' An Overview of E Cigarette Impact on Reproductive Health Vaping may seem safer than smoking, but it's not risk freeespecially for your baby. Nicotine, heavy metals, and other toxic chemicals in e cigarettes can affect fetal growth, brain development, and long term health. Even Pregnant parents told vaping doesn't harm unborn babies The Independent Know the facts about vaping while you're pregnant Nicotine exposure can increase the risk of low birthweight or premature birth, harm brain and lung development, and increase risk of Vaping while pregnant isn't harmlessstudy uncovers risks to newborn lung health