A new way to measure male fertility has been discovered by researchers at the University of Waterloo, opening the door to the development of simple, inexpensive tests for clinical and at-home use. The ...

Infertility affects about one in six couples, and male factors account for roughly half of all cases-often because sperm don't swim well. Researchers from the University of Osaka uncovered a key ...

Add Yahoo as a preferred source to see more of our stories on Google. Researchers tracked more than 78,000 men over 50 years and found that those with higher sperm motility -- the ability of sperm to ...

New study reveals how stress boosts sperm motility through mitochondrial changes and epigenetic shifts. Study: Stress increases sperm respiration and motility in mice and men. Image Credit: Rost9 / ...

Seasonal shifts in behavior — not temperature — may subtly influence sperm motility. Whether this variation in sperm quality ...

Khaberni - A new study has revealed that the quality of human sperm undergoes clear seasonal changes, being at its best ...

Scientists have discovered a small molecule that prevents male mice from siring pups. The effects of this nonhormonal compound, known as CDD-2807, are reversible. Once the mice were off the compound, ...

New research published in the journal Human Reproduction is challenging recent reports that sperm count in men is on the decline globally. AFP via Getty Images Don’t count men out just yet. New ...