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 Tommy's Second hand e cigarette vapour increases risk of poor respiratory health, study finds Nursing in Practice Busting the Myths About Smoking and Vaping During Pregnancy Dangers of Smoking During Pregnancy Explained by Expert Midwife Health Problems Caused by Secondhand Smoke Smoking and Tobacco Use CDC