E cigarettes aren't risk free, but they are much less harmful than smoking. Take a look at the poster below for more information and advice about using e cigarettes during pregnancy Pregnant smokers more likely to quit with e cigarettes vs. nicotine patches Cigarette smoking Asthma in Pregnancy Toolkit Vaping During Pregnancy Could Raise Odds for 'Preemie' Babies PDF) Smoking, Vaping and Pregnancy. American Thoracic Society's patient education Eliquides Cigarette lectroniques HappeSmoke