Term Name:	spermatogenic failure 12
Synonyms:	SPGF12
Definition:	A spermatogenic failure that is characterized by autosomal dominant inheritance of azoospermia or severe oligoasthenoteratozoospermia and in some cases a Sertolic cell-only phenotype that has_material_basis_in heterozygous mutation in the NANOS1 gene on chromosome 10q26.
Ontology:	Human Disease [DOID:0070171]   ( DOID:0070171 )