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apnews.myway.com...
WASHINGTON (AP) - The world of male contraception has been limited to condoms and vasectomies. But researchers now point to a new method that shows promise - a shot that prompts an immune reaction to a protein produced in the male reproductive system.
The method worked in experiments on male monkeys, most of which regained their fertility when the treatments were stopped, researchers report in Thursday's issue of the journal Science.