Evidence has led experts to believe that genetics may be accountable for the difficulties that a significant portion of couples face when trying to conceive a child. Because men are just as likely to ...

Spermatogenesis in the testicle is controlled by a finely coordinated, complex interplay of the activity of different genes -- also known as gene expression. Hitherto the understanding of these ...

Your testicles are constantly producing sperm but a full regeneration cycle can take over 2 months. You produce sperm every day, but a full sperm regeneration cycle (spermatogenesis) takes a little ...