The American Society for Reproductive Medicine defines infertility as the inability to achieve pregnancy following 12 months of regular, unprotected sexual intercourse. The average time to pregnancy if a man is under 25 is just over four and a half months but nearly two years if a man is over There is a five-fold increase in the time it takes to get pregnant if the man is over Fact: Male infertility is not passed down genetically.

Can drinking Mountain Dew be a sperm killer? What about using a laptop? Get the truth about what really affects your fertility. For men who want children , sperm count and sperm quality are important.

Sperm cells are some of the most sensitive cells in the body. In fact, sperm are so sensitive to heat that the testicles hang outside of the body to preserve sperm from less than ideal body temperature. Sperm thrive in lower temperatures. This means that even small sources of heat can start to add up and damage your sperm count. This is a quick fix- only use your laptop on a table or desk.

In fact, cycling is a great form of exercise, and staying healthy and fit is key for fertility. The answer to the boxers vs. Considering laptops can get hot enough to burn their legs, guys might want to keep them away from the crown jewels too.