How secondhand smoke, thirdhand smoke & vaping affects kids Is your wife, girlfriend or partner pregnant? Did you know second hand smoke is also dangerous for your baby? #SIPessex #smokinginpregnancy 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 Second Hand Vaping Vape Smoke Free E Cigarettes (Vapes) Smoking and Tobacco Use CDC