A large meta-analysis, studying five decades, has found a dramatic and sustained decline in testosterone levels among men, raising concerns that the male fertility crisis is deeply misunderstood.

Reports of falling sperm counts and testosterone levels have fuelled fears over chemicals, pollution and modern lifestyles. But how much do scientists agree on what is affecting male fertility?

Worried masturbation will lower your sperm count A urologist explains why this is largely a myth and what actually affects sperm production and fertility ...

The findings add to researchers' understanding of male infertility by shedding light on the series of complex cellular developmental transitions that culminate in the production of sperm. Mice aren't ...

For many couples facing infertility, medicine offers a range of solutions. But for men with non-obstructive azoospermia (NOA)—a genetic condition where sperm production stalls—options remain limited.

Clinical data reveals male factors contribute to half of all infertility cases, shifting the focus toward earlier preventative testing.

New research presented at the 42nd Annual Meeting of the European Society of Human Reproduction and Embryology (ESHRE) ...