Vaping more effective than patches for pregnant women, study finds Dr Colin Mendelsohn Is Vaping Better Than Smoking? American Heart Association In the United States, about 8% of all women who are pregnant smoke cigarettes, and another roughly 4% report using electronic cigarettes or vapes. To learn more about the dangers of smoking Smoking, vaping & pregnancy: in pictures Raising Children Network Vaping and Pregnancy journeyworks.com Vaping before, during and after pregnancy: leaflets and infographics ASH