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Male Fertility

Introduction to Male Fertility

Even though men have a relatively brief role in making babies, we’re learning more about how their health at the time of conception affects their children.i

Male fertility trends

The average 1990’s man produced about half the sperm that men did in 1940, and this worrying trend is continuing.

The male reproductive system

It’s relatively simple compared to a woman’s, but it’s important it all works!

Sperm

They take about 90 days to form and need to safely deliver a man’s DNA into an egg.

i “Our stolen future”. Colborn T. Myers J.P. Dumanoski D. 1996. Little. Brown and Company, London. P.81