Sperm DNA fragmentation is a recognized factor in male infertility with direct implications for embryo development, implantation and pregnancy outcomes. Historically, standard semen analysis has not ...

Haag concluded that a scientific history of human sex would hold broader appeal than reproduction in nematode worms, which is one of his core research subjects. He also recognized a need for greater ...

Stored sperm may age faster than reproductive medicine has assumed, suggesting that shorter abstinence periods could benefit ...