has material basis in germline mutation in USP9Y spermatogenic failure spermatogenic failure, Y-linked, 2 https://github.com/monarch-initiative/mondo/issues/4521 https://www.malacards.org/card/spermatogenic_failure_y_linked_2 OMIM:415000 GARD:0018504 DOID:0070187 MEDGEN:326394 MESH:C564030 spermatogenic failure, Y-linked, 2, Y-linked MONDO:0010767 UMLS:C1839071 SPGFY2 spermatogenic failure, Y-linked, 2 spermatogenic failure, Y-linked, type 2 partial chromosome Y deletion