Imagine a future where a diagnosis of untreatable male infertility is no longer the end of the road – because science has found a way to produce human sperm from lab-engineered testicular tissue. This ...

Medically reviewed by Matthew Wosnitzer, MD Key Takeaways Sperm can live for up to five days inside the female reproductive tract.Outside of the body, sperm can live for up to an hour at room ...

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, ...

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 ...

Sperm and semen, often used interchangeably in casual conversation, are fundamentally different in their nature and function. Semen is a complex fluid that contains a mixture of various components, ...

When it comes to birth control for men, there are only two options: condoms or surgery. But a recent study in mice shows a promising new alternative. Researchers at Weill Cornell Medicine tested a non ...

Some men are having vast numbers of children through sperm donation. This week the BBC reported on a man whose sperm ...