Nicotine products in any form, whether from cigarettes, vaping or chewing tobacco, pass into a mother's bloodstream and through the placenta to the growing baby. Quitting nicotine is hard for many people, 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 Vuse : La Marque Qui Rime Avec Innovation et Excellence en Vape PUFF BOX Fraise Kiwi : Vapotez en toute simplicit Smoking, vaping & pregnancy: in pictures Raising Children Network