Pregnanedione
Pregnanedione, or pregnane-3,20-dione, may refer to:
- 5α-Dihydroprogesterone (5α-pregnane-3,20-dione)
 - 5β-Dihydroprogesterone (5β-pregnane-3,20-dione)
 
See also
- Progesterone (pregn-4-ene-3,20-dione)
 - Pregnanolone
 - Pregnanediol
 - Pregnanetriol
 - Pregna-4,20-dien-3,6-dione
 - Hydroxyprogesterone