[Not unusual case of male genetic infertility].

Following a year of regular unprotected intercourse with his partner, and without achieving pregnancy, Mr. L. turned to his general practitioner. A semen analysis was carried out and no spermatozoa was found. After being referred to a male infertility specialist, the patient underwent a second test and a comprehensive assessment of his azoospermia. The azoospermia was confirmed and the genetic investigation revealed aneuploidy..