Genetic link to male infertilty identifed

Researchers have discovered a genetic variant linked to male infertility, which could improve the diagnosis and management of men who carry it. Scientists from the Wellcome Sanger Institute and University of Tartu carried out the largest genetic study to date looking at unexplained infertility in men and found a common subtype of Y chromosome that increases the carrier’s risk of fertility issues in a substantial proportion of men of European ancestry.



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