Male Potency Test

Although most of the people still think of infertility as a "woman's problem," But , in about 40% of infertile couples, the man is the sole cause or a contributing cause of the inability to conceive. One-third [1/3] of infertility cases can be attributed to male problems, including low sperm count.

Male infertility specialists differ in their approach, but here are some of the tests like Potency Test  a man can expect 

But ???

Potency Test ??? Is it really justified and sufficient enough to reach to a conclusion ?