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 Symptoms Of Second Hand Vape Smoke Can Second Hand Vape Smoke Affect Pregnancy Second hand smoke Busting the Myths About Smoking and Vaping During Pregnancy While vaping is not risk free, it is less harmful than tobacco Our World in Data Study uncovers the hidden dangers of secondhand vape exposure to children