Synonyms : 3 alpha-Hydroxysteroid Dehydrogenase, 3 alpha-Hydroxysteroid Dehydrogenase (B-Specific), 3 alpha-Hydroxysteroid Oxidoreductase, 3alpha-Hydroxysteroid Dehydrogenase (B-specific), 5 alpha-3 alpha-Hydroxysteroid Dehydrogenase, 5-DP-3 alpha-HSO