A new study identifies the defective function of CatSper, an ion channel controlling calcium levels in sperm, as a common cause of seemingly unexplained male infertility. CatSper-deficient human sperm ...

Add Yahoo as a preferred source to see more of our stories on Google. We often imagine sperm as swimmers, tiny cells whipping their tails to power through fluid on a mission toward the egg. However, a ...

The AI model invented by HKUMed’s Department of Obstetrics and Gynaecology in the School of Clinical Medicine has clinical value in evaluating male fertility. Conventional assessment methods rely ...

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, ...

LEFT: Mouse sperm collected by a conventional cell sorter. Motility cannot be maintained and sperm cannot advance. RIGHT: Mouse sperm collected by a cell sorter using a microfluidic device. Motility ...

Research from the University of Colorado Anschutz suggests that stress experienced by a father before conception may ...

For years, I seriously doubted that pre-selecting a baby’s sex was possible without radical intervention. Here is why: I well remember discussing this with a Swiss veterinary professor back in the ...

The capacity of spermatozoa to fertilise an oocyte depends on a coordinated series of biological events that extend beyond conventional measures of concentration, motility and gross morphology.

In mammals - including us humans - sperm are surprisingly picky about temperature, thriving best in conditions a few degrees cooler than normal body temperature. But, given that the female ...

Men have been warned that repeated heat exposure from saunas, hot tubs and heatwaves could impact sperm health.

Motile sperm are difficult to collect with a conventional cell sorter because they are vulnerable to physical damage. A research collaboration has developed a technique using a cell sorter with ...