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 ...

The creation of sperm in mammals, known as spermatogenesis, is critically impacted by temperature. A very small increase results in a significant reduction in the little swimmers. Peto’s paradox ...

A large German study has shown that spermatogenesis is markedly reduced in the contralateral testis of patients with testicular germ cell tumors (GCTs). This finding supports the hypothesis of ...

Urine is sensitive to bodily changes and can distinguish normozoospermic infertile men from fertile ones through metabolomics. However, urine proteomics has not been studied for monitoring ...

Testicles of most mammals are cooled in the scrota, and elevated testicular temperatures lead to spermatogenesis failure and male infertility. A research team led by Shosei Yoshida at the National ...

Alkylating and platinating agent exposure in childhood cancer survivors is associated with impaired spermatogenesis and azoospermia.

Mutations that abolish the activity of luteinizing hormone are rare; they have been reported in five men and one woman. 1–5 The phenotypes of these persons suggest that luteinizing hormone is not ...