Genetic alteration linked with human male infertility

One in seven couples worldwide has difficulty conceiving a child, and male infertility is thought to account for nearly half of those cases. Although the cause of male infertility is often unknown, scientists have now discovered a genetic alteration that disrupts sperm production in otherwise healthy men. The research, published by Cell Press on September 30th in the American Journal of Human Genetics, provides new insight into one cause of male infertility.

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