Vaping While Pregnant Report Gives Advice For Midwives Pregnant Vapers More Likely to Have Low birthweight Infants Respiratory Therapy 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 before, during and after pregnancy: leaflets and infographics ASH A TikToker went viral for saying she won't quit vaping while pregnant. The CDC says nicotine products are unsafe for pregnancy. Vaping more effective than patches for pregnant women, study finds Dr Colin Mendelsohn