The Dangers Of Vaping During Pregnancy Women who vape are more likely to have low birthweight babies, study shows UCLA 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 Vaping and birth control: Too risky to go together Natural Womanhood Birth Control and Smoking: Risks to Your Health Johns Hopkins Medicine