Animal Study Shows Harmful Effects of Secondhand Smoke Even Before Pregnancy Duke Health Dangers of drinking, smoking, vaping while pregnant UNM Health Blog Albuquerque, New Mexico Research & Studies on Nicotine Pouches & Vape Vaping during pregnancy Tommy's 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