Large study identified new genetic link to male infertility

(Estonian Research Council) Researchers from the University of Tartu (Estonia) and the Wellcome Sanger Institute (UK) carried out the largest and most exhaustive genetic study to date looking at Y-chromosome-linked infertility in men. Analysing the DNA of patients with spermatogenic impairment at the Andrology Centre of Tartu University Hospital, researchers found a previously undescribed subtype of the Y chromosome, which, in a substantial number of men of European ancestry, increases the risk ...