https://www.telegraph.co.uk/science/2019/03/17/sperm-infertile-men-healthy-begins-journey-body-major-breakthrough/
Citando:
"It is said that in life the journey is more important than the destination.
And for sperm, that is certainly the case, according to a new scientific study.
Researchers have discovered that the sperm of infertile men is every bit as healthy as fertile men while it is still in the testicles."