Smoking and Tobacco Use 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.. E cigs and vapes Right Decisions Vaping and Pregnancy: Are E Cigarettes Really Any Safer for You and Your Baby? SA Health Smoking and vaping during pregnancy can be harmful to your unborn baby. The chemicals in cigarettes and vapes can damage your baby's Instagram Did you know? Smoking or vaping during pregnancy can harm both mom and baby. Increases risk of premature birth Raises chances of low birth weight Can affect brain