sperm

Sale Alert! Holiday Savings on Sperm

While it’s far from a traditional gift, vials of sperm may be at the top of the list for couples and single women facing infertility. A sale on sperm from two branches of the world’s largest group of sperm banks could at least …

Pregnant drinking link to low sperm count for sons?

Research presented this week at the annual meeting of the European Society of Human Reproduction and Embryology in Rome suggests that men whose mothers had several alcohol drinks per week during pregnancy may have lower quality sperm. The study, conducted by researchers from the University of Aarhus in Denmark, studied 347 men born

Developing a once-a-month male birth control pill?

In the search for a form of male contraception that can rival the female birth control pill, a team of researchers from Israel may have just made a breakthrough. As the Telegraph reports, in initial animal trials the team of researchers found that a pill they’d developed — which works by stripping sperm of a protein necessary to

How sperm swim: a clue for male contraception?

Though sperm are generally considered pretty wriggly little guys, before they are launched into action, so to speak, they aren’t racing around. While researchers have long known that what gets them swimming is a change in internal pH level—the more alkaline their pH, the more aggressively they swim—until now, the mechanism by which

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