Is It Safe To Smoke A Vape Around A Pregnant Woman? 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 Vaping may be an effective way to quit smoking during pregnancy New Scientist Vaping While Pregnant? Duke Study Reveals Dangers to Fetal Growth and Development in Mouse Model Duke Health