How Smoking and Vaping Influence Fertility Health Millennium IVF Clinic Let's talk vaping. Vaping might feel like a safer choice than smoking, but when it comes to your reproductive health, it's certainly not risk free. From disrupting hormones and ovulation in women to Is smoking speeding up your fertility clock? Thinking about having kids now, or later? Smoking, vaping, and cannabis can affect both egg and sperm health and may even shorten the time New research suggests vaping can shrink your testicles and cause a lower sperm count