Options Care Center These are only some of the risks most likely to affect your growing baby, due to smoking both during AND after pregnancy. Secondhand smoke Instagram Health Risks of Secondhand Smoke and Aerosols Factsheet US EPA Breast Cancer & E Cigarettes: Is Vaping a Safer Alternative to Smoking? Maurer Foundation Animal Study Shows Harmful Effects of Secondhand Smoke Even Before Pregnancy Duke Health 2nd Hand Vape Smoke And Pregnancy 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 Vaping and Pregnancy: Are E Cigarettes Really Any Safer for You and Your Baby?