Add Yahoo as a preferred source to see more of our stories on Google. Sperm motility refers to the ability of sperm to move or "swim." It is one of the factors tested in a semen analysis. Learn why it ...

Sperm washing is a process performed to separate healthy, motile (moving) sperm from the collected semen sample. When semen is collected, it contains not only sperm but also dead or weak sperm, ...

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 have uncovered a key ...

A groundbreaking study led by researchers at the University of Colorado Anschutz Medical Campus reveals that stress-induced changes in sperm motility occur after a stressful event, rather than during ...

Men who’ve had COVID-19 may face hidden fertility risks. This study uncovers how the virus disrupts sperm health, even months after recovery. Study: COVID-19 infection was associated with poor sperm ...

The quality of sperm is highest in the summer and lowest in the winter, according to a new study by scientists at University of Manchester, Queen's University (Ontario, Canada), and Cryos ...

Spermatozoon motility emerges from a complex interplay between inherited genetic programmes and dynamic molecular processes that govern flagellar structure, energy supply and signalling cascades. Core ...

A team of engineers at Monash University in Australia has found that exposing human sperm to ultrasound can cause them to swim faster. In their study, published in the journal Science Advances, the ...

Photobiomodulation refers to the application of low-intensity light—typically in the red to near-infrared spectrum—to modulate cellular activity. In the context of spermatozoa, carefully controlled ...

Rachel Feltman: For Scientific American’s Science Quickly, I’m Rachel Feltman. The World Health Organization estimates that infertility impacts one in six adults globally. But when it comes to ...