Fertility Does your man vape or use e cigarettes Chances are, it's reducing the number and health of his sperm. I've posted on vaping before, but at the time there wasn't much New research says vaping can shrink your sperm count and testicles body+soul 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 Does Smoking or Vaping Cause Infertility?