Add Yahoo as a preferred source to see more of our stories on Google. About 30% of infertility comes down to sperm being too weak and sluggish, but a breathrough with ultrasound could provide hope for ...

Exposing immobile sperm to ultrasound waves gets them moving, a lab study has shown. Sperm that don’t move properly are a key cause of infertility, as it is harder for them to reach the egg. With ...

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 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 ...

Many scientific studies often assumed that the most reliable methods for assessing sperm motility are those that give the highest values, and this leads to misinterpretation of the results. This study ...

When it comes to reproduction, female biology is often described in terms of a ticking clock. Women are born with most of their lifetime supply of eggs, meaning that a woman's age is usually the same ...

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 ...

Researchers have unveiled the hidden intricacies of how sperm go from passive bystanders to dynamic swimmers. This transformation is a pivotal step in the journey to fertilization, and it hinges on ...