New research suggests that the longer sperm are stored before ejaculation, the lower their quality – with implications for ...

In the grand scheme of things, those tiny swimmers are nature's building blocks and the male contribution to human creation. They may look similar to tadpoles but their importance, obviously, goes ...

The testis is responsible for sperm production and testosterone synthesis. Abnormalities in testis development and function lead to disorders of sex development (DSD) and male infertility. Currently, ...

Time has long been seen as a female fertility enemy. But men are not immune to biology. While sperm production continues throughout life, it does not stay constant in quality. After the age of 35, ...

One fact you probably didn't know is that semen and sperm are two different terms. Males produce semen, which contains the sperm. In the grand scheme of things, those tiny swimmers are nature's ...