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 Should you vape when pregnant? Does it harm your baby? MadeForMums Women should give up vaping if they want to get pregnant, study suggests Vaping The Guardian Vaping before, during and after pregnancy: leaflets and infographics ASH Vaping During Pregnancy: Are e Cigarettes Safe for Baby? Exposure to vaping in utero can change baby's face, skull: study