Study shows vaping nicotine while pregnant may impact fetal development 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 Vaping 0 Nicotine While Pregnant Can You Vape While Pregnant? Vaped 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 Vaping During Pregnancy: Are e Cigarettes Safe for Baby?