Vaping in pregnancy is harmful for babies and mothers: study Folio Pregnant Woman Smoking E Cigarette And Vaping Stock Photo Alamy A TikToker went viral for saying she won't quit vaping while pregnant. The CDC says nicotine products are unsafe for pregnancy. Maternal electronic cigarette use during pregnancy affects long term arterial function in offspring Journal of Applied Physiology American Physiological Society Vaping and Pregnancy: Risks and Recommendations