The majority of infertile men face an emotional struggle against guilt and uncertainty.

However, hormones are not the main problem in 97% of infertile men.

The change in the prospects for infertile men is little short of amazing, investigators say.

Many people assume that infertile men cannot perform sexually.

This stigma adds to the heightened insecurities in infertile men.

The problems infertile men have with sexual inadequacy stem from social ridicule and resulting low self-esteem.