Pregnanolone (disambiguation)

Pregnanolone, also known as tetrahydroprogesterone (THP), may refer to:


 * Allopregnanolone (3α-hydroxy-5α-pregnan-20-one or 3α,5α-tetrahydroprogesterone)
 * Pregnanolone (3α-hydroxy-5β-pregnan-20-one or 3α,5β-tetrahydroprogesterone)
 * Isopregnanolone (3β-hydoxy-5α-pregnan-20-one or 3β,5α-tetrahydroprogesterone)
 * Epipregnanolone (3β-hydoxy-5β-pregnan-20-one or 3β,5β-tetrahydroprogesterone)