Flashback Friday: Finally, a male contraceptive: behold the ball cozy!

Image: flickr/Whatsername?Birth control is often spoken of as a "women's issue," but it shouldn't be. Men are equally involved in producing a baby, and there are a few male-centric birth control options (i.e., condoms) available. But there's definitely room for new male contraceptives--especially ones that aren't permanent and don't require last-minute application. And that's where the polyester comes in. Apparently, simply wearing a polyester sling around the scrotum can produce sperm-free semen (azoospermia), presumably from the heat (what's sweatier than polyester?) and the electrostatics. The sling must be worn for months before it's effective, and it takes another couple of months to reverse the effects. But hey, a polyester ball cozy sounds better than an unwanted pregnancy to me!Contraceptive efficacy of polyester-induced azoospermia in normal men. “Every 2 weeks, a physician at the Faculty of Medicine at Cairo University in Egypt examined 14 32-47 year old male volunteers wearing a ...