Smoking, vaping & pregnancy: in pictures Raising Children Network There is minimal data regarding the safety of vapes in pregnancy, but there are several theoretical reasons why it is not recommended you vape during pregnancy: Nicotine exposure: Vaping products can contain Vaping during pregnancy Tommy's 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