Electronic cigarettes and vaping Tommy's What Are the Health Implications of Pregnancy and Vaping? Empowered Women's Health Smoking and vaping during pregnancy increase the risk of preterm birth support is available to help you quit. Smoking during pregnancy is the biggest modifiable risk factor for preterm birth. Quitting Vaping while pregnant can change your baby's skull shape even without nicotine The Independent Vaping is a Better Safer Alternative for Pregnant Smokers Ecigator Exposure to vaping in utero can change baby's face, skull: study