A biologically active 20-alpha-reduced metabolite of PROGESTERONE. It is converted from progesterone to 20-alpha-hydroxypregn-4-en-3-one by the 20-ALPHA-HYDROXYSTEROID DEHYDROGENASE in the CORPUS LUTEUM and the PLACENTA.
Also Known As:
20 alpha-Dihydroprogesterone; 20 alpha-Hydroxy-4-Pregnen-3-One; 20 alpha-Hydroxyprogesterone; 20-alpha-Hydroxyprogesterone; 20alpha-Hydroxypregn-4-Ene-3-One; Pregn-4-en-3-one, 20-alpha-hydroxy-; 20 alpha Dihydroprogesterone; 20 alpha Hydroxy 4 Pregnen 3 One; 20 alpha Hydroxyprogesterone; 20-alpha-hydroxy- Pregn-4-en-3-one; 20alpha Hydroxypregn 4 Ene 3 One; Pregn 4 en 3 one, 20 alpha hydroxy; Dihydroprogesterone; Pregn-4-en-3-one, 20-hydroxy-, (20S)-