Woman's Doctor: Is vaping during pregnancy dangerous? A pregnant woman smokes a vape while sitting on the couch. Close up of the abdomen Stock Photo Alamy Vaping 0 Nicotine While Pregnant 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 Vaping And Pregnancy TECC Blog Why women vape during pregnancy & postpartum: conversations starters for your practice SURE