17β-hydroxysteroid dehydrogenase III deficiency http://purl.obolibrary.org/obo/DOID_0112248 http://purl.obolibrary.org/obo/NCIT_C120203 https://en.wikipedia.org/wiki/17%CE%B2-Hydroxysteroid_dehydrogenase_III_deficiency https://www.wikidata.org/wiki/Q4552290 17 beta HSD3 deficiency 17-beta hydroxysteroid dehydrogenase 3 deficiency 17-beta-hydroxysteroid dehydrogenase 3 deficiency 17-ketoreductase deficiency 17β-hydroxysteroid dehydrogenase 3 deficiency Decreased activity of the steroidogenic enzyme, 17β-hydroxysteroid dehydrogenase, associated with mutation(s) in the HSD17B3 gene, leading to reduced testosterone production. reductase deficiency