When talking about fertility in routine practice, we usually refer to the World Health Organization’s guideline of roughly 15 million sperm per millilitre (and around 39–40 million total per ejaculate ...

When Setchell reviewed sperm counts over a 60-year period starting in the early 1930s, he found no change for either cattle or pigs and a slight, but significant, increase in sheep. Crucially, ...

Are human sperm counts crashing? Despite numerous careful analyses indicating falling numbers, opposing reports still appear occasionally and doubts persist. Accumulated evidence has revealed that the ...

The widely held view that sperm counts in men are dropping around the world may be wrong, according to a new study by University of Manchester, Queen’s University in Kingston, Canada and Cryos ...

AUSTIN (KXAN) — Using marijuana and taking testosterone are just two of the risk factors that can cause men’s sperm count to drop. As part of National Men’s Health Month, Austin fertility Doctor David ...