Vaping does not harm pregnant women or babies, shocking study claims Many people think vaping is a safer option during pregnancy. But both smoking and vaping can affect a baby's oxygen, growth, and development. Here are some risks every expecting parent should know.. Vaping While Pregnant Isn't Harmless! Barton County Health 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 more about the dangers of smoking Can You Vape While Pregnant? Vaped Vaping while pregnant isn't harmlessstudy uncovers risks to newborn lung health