The Dangers Of Vaping During Pregnancy Vaping during pregnancy Tommy's Vaping while pregnant could cause birth defects VCU News Virginia Commonwealth University Many people think vaping is safer than smokingbut when it comes to fertility, it's not risk free. For women, vaping may lower ovarian reserve and increase pregnancy complications. For men, vaping may Vaping may seem safer than smoking, but it's not risk freeespecially for your baby. Nicotine, heavy metals, and other toxic chemicals in e cigarettes can affect fetal growth, brain development, and long term health. Even Women who vape are more likely to have low birthweight babies, study shows UCLA