Tobacco and Pregnancy One Pager V2 Is Secondhand Vape Smoke Bad For Pregnancy? Experts Explain The Risks Smoking during pregnancy March of Dimes A new study from The Ohio State University found that vaping during pregnancy, even without nicotine, can change a baby's skull and face shape. Researchers exposed pregnant mice to common vape liquids Frontiers Publishing Partnerships Prenatal nicotine exposure during pregnancy results in adverse neurodevelopmental alterations and neurobehavioral deficits