Thirdhand Smoke Resource Center Protecting Californians Flyer: Vaping During and After Pregnancy Central District Health Why you should avoid vaping if you want a baby in future Your Fertility Second Hand Smoke and Pregnancy American Pregnancy Association Vaping Side Effects. Protecting Children's Health 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