Sperm counts are in decline worldwide, but male infertility still carries a stigma. Prof Michael Carroll on what every man should know

Men represent 50% of all infertility cases but poor understanding among GPs means it is often untreated

Seminal plasma hypersensitivity can trigger allergic reactions after sex. Although it’s treatable, it’s often mistaken for yeast infections or STIs.

Without a time limit on procreation, the pressure is off men when it comes to the question of fatherhood. But does a deadline-free existence hinder, rather than help, when it comes to family planning?...

Older fathers have a lower chance of conceiving and increased chances of negative effects on children.

A set of twins in Vietnam have been found to have different fathers.

The Italian Renaissance artist created groundbreaking depictions of humans at a time when the inner workings of the body remained a mystery.

The Italian Renaissance artist created groundbreaking depictions of humans at a time when the inner workings of the body remained a mystery.