Does Nicotine Affect Birth Control? Why you should avoid vaping if you want a baby in future Your Fertility Understanding Smoking and Birth Control: FAQs and Tips Myths About Vaping Pose a Serious Risk in Pregnancy 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 During Pregnancy Could Raise Odds for 'Preemie' Babies