New discovery could transform outlook for men with fertility problems

Using fruit flies, a Rockefeller team has gained key insight into how nature's attempts at innovation play out during the development of sperm

Researchers discover endometrial receptor that can recognize sperm molecule

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

However, the study of more than 5,600 women in Australia, New Zealand, the United Kingdom, and Ireland also shows that women with asthma who use long-acting asthma preventers conceive as quickly as other women

What makes a good egg?

Researcher provides the first test specific to the Disruptive Selection Theory—using the reproductive strategies of green algae

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

From a menstrual cycle in a dish to bioprosthetic ovaries, the Center for Reproductive Science is breaking new ground