Fertility and Vaping: Impact of E Cigarettes on Men and Women 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 Second Hand Vape Smoke Pregnancy Should I Be Concerned About Secondhand Vaping? E Cigarettes and Hookah Smoke Free Georgia Coalition Animal Study Shows Harmful Effects of Secondhand Smoke Even Before Pregnancy Duke Health