2nd Hand Vape Smoke And Pregnancy 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 Dangers of drinking, smoking, vaping while pregnant UNM Health Blog Albuquerque, New Mexico Vaping during pregnancy Tommy's Vaping more effective than patches for pregnant women, study finds Dr Colin Mendelsohn Animal Study Shows Harmful Effects of Secondhand Smoke Even Before Pregnancy Duke Health