Intrauterine exposure to nicotine through maternal vaping disrupts embryonic lung and skeletal development via the Kcnj2 potassium channel ScienceDirect Vaping may be an effective way to quit smoking during pregnancy New Scientist 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, Vaping more effective than patches for pregnant women, study finds Dr Colin Mendelsohn