Smoking, vaping & pregnancy: in pictures Raising Children Network Nicotine or marijuana vaping exposure during pregnancy and altered immune responses in offspring We've updated our vaping during pregnancy resource. Created in partnership with ASH, the Royal College of Midwives and Sands, the infographic has important guidance around vapes and pregnancy. The Tommy's Vaping before, during and after pregnancy: leaflets and infographics ASH Animal Study Shows Harmful Effects of Secondhand Smoke Even Before Pregnancy Duke Health While vaping is not risk free, it is less harmful than tobacco Our World in Data