Vaping more effective than patches for pregnant women, study finds Dr Colin Mendelsohn Vaping During Pregnancy: Are e Cigarettes Safe for Baby? Is Vaping Safe During Pregnancy? Clinic One Study finds vaping in pregnancy harms both mothers and babies While vaping is not risk free, it is less harmful than tobacco Our World in Data A pregnant woman smokes a vape while sitting on the couch. Close up of the abdomen Stock Photo Alamy