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 Does vaping affect fertility? TFP Fertility UK Understanding smoking behaviour Vaping and Pregnancy: Debunking Miscarriage Myths Vaping may be an effective way to quit smoking during pregnancy New Scientist