Sperm samples stored for up to 15 years analyzed

The study team hope these findings may open new avenues to finding treatments to reduce the risk of miscarriage

Whether genetic changes can be reversed or are passed on to children is still unknown

This test marks a major improvement over semen analysis, the standard diagnostic tool for male infertility 

Penn study suggests that targeting amyloid fibrils could prevent sexual transmission

The research identifies a new structure in human sperm that functions in the zygote and may provide new avenues for addressing male infertility

In preclinical tests, researchers from UNC-Chapel Hill and Oregon Health and Sciences University showed how a new compound can immobilize sperm temporarily without side effects

At the highest dose of DMAU tested, 400 mg, subjects showed “marked suppression” of levels of their testosterone and two hormones required for sperm production

What makes a good egg?

Do sperm compete and do eggs ever have a choice? When it comes to sea urchins at least, the answer is yes