what percent of married couples are infertile
1 Twenty-five percent of infertile couples have more than one factor that contributes to their infertility. 2  In approximately 40 percent of infertile couples, the male partner is either the sole cause or a contributing cause of infertility.ome 1  âº. Infertility is NOT an inconvenience; it is a disease of the reproductive system that impairs the body's ability to perform the basic function of reproduction.