text: Immune system could play role in male contraception, researchers &lt;b&gt;...&lt;/b&gt; Washington - 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.
inputs: Immune system could play role in male contraception, researchers &lt;b&gt;...&lt;/b&gt; Washington - 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.