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 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. What We Know About Vaping Smokefree Mothers who vape during pregnancy put babies at asthma risk Women who vape are more likely to have low birthweight babies, study shows