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 Exposure to Thirdhand Smoke Harms the Health of Pregnant Women Thirdhand Smoke Resource Center Urb THCA Iced Diamonds Disposable Blue Freeze 3g Lord Vaper Pens Vapes Is Vape Smoke Bad For Second Hand Evidence Mounts About the Health Impact of Second Hand Vaping A TikToker went viral for saying she won't quit vaping while pregnant. The CDC says nicotine products are unsafe for pregnancy.