Know the facts about vaping while you're pregnant Nicotine exposure can increase the risk of low birthweight or premature birth, harm brain and lung development, and increase risk of A new study from The Ohio State University found that vaping during pregnancy, even without nicotine, can change a baby's skull and face shape. Researchers exposed pregnant mice to common vape liquids New vaping warning issued for pregnant women Netmums Is it safe to vape while pregnant?