A common gene mutation that causes sperm to lose its protective protein coat so it falls prey to the female immune system on its journey to the egg, may be the main reason for infertility in men worldwide, writes an international team of researchers in a paper published in the journal Science Translational Medicine this week. The researchers hope their discovery will help to find new ways to treat infertile couples. Infertility affects between 10 and 15% of the US population, and in about half of these cases, the problem is male fertility...
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