Women who vape are more likely to have low birthweight babies, study shows Sleeping baby safety tip: Keep baby's environment smoke and vape free. Secondhand smoke in areas where a baby sleeps or spends time, like home or the car, increases the risk of health problems. There is minimal data regarding the safety of vapes in pregnancy, but there are several theoretical reasons why it is not recommended you vape during pregnancy: Nicotine exposure: Vaping products can contain Don't smoke or use nicotine during pregnancy or after your baby is born. Safe Sleep NC Why Vaping is Dangerous, Especially for Children with Asthma The National Environmental Education Foundation (NEEF) Mothers who vape during pregnancy put babies at asthma risk