Catalyze the oxidation of 3-hydroxysteroids to 3-ketosteroids.

Synonyms: 3 beta Hydroxysteroid Dehydrogenase, 3 Hydroxysteroid Dehydrogenases, EC 1.1.-, Hydroxysteroid Dehydrogenases, 3, Dehydrogenase, 3-beta-Hydroxysteroid, Dehydrogenases, 3-Hydroxysteroid, 3-Hydroxysteroid Dehydrogenases, Dehydrogenases, 3 Hydroxysteroid, 3-beta-Hydroxysteroid Dehydrogenase