Breastfeeding moms using tobacco or e cigarettes can pass harmful chemicals to their babies. Dont smoke or vape to ensure the healthiest start for your baby. Learn more at https: www.cdc.gov breastfeeding special circumstances hcp vaccine medication 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 Can You Vape While Pregnant? Vaped E cigarettes Beat Patches in Reducing Low Birthweight Risk Respiratory Therapy Vaping and Pregnancy: Debunking Miscarriage Myths