Animal Study Shows Harmful Effects of Secondhand Smoke Even Before Pregnancy Duke Health Fertility and Vaping: Impact of E Cigarettes on Men and Women Vaping Around Babies How Secondhand Vapor Smoke Can Harm Kids Secondhand Smoke Is a Risk for Pregnant and Breastfeeding Moms The Wellness Coalition 2nd Hand Vape Smoke And Pregnancy Is There 2nd Hand Smoke From Vapes Covid 19 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