Study finds vaping in pregnancy harms both mothers and babies 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 resource is now Smoking, Pregnancy and Fertility ASH Study shows vaping nicotine while pregnant may impact fetal development Vaping Works Better Than Nicotine Patches for Pregnant Smokers