Second hand vaping exposure very low compared to second hand smoking UCL News UCL University College London Vaping before, during and after pregnancy: leaflets and infographics ASH Urb THCA Iced Diamonds Disposable Blue Freeze 3g Lord Vaper Pens 2g Lil Ripper THCP Smacked Vape Lab Tested For Purity & Safety Transparently Sourced Ingredients Premium THC Treats Subscribe To Save 15% Off Shop Sales & Bundles Munchies! 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