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)
See also Pregnenolone (disambiguation) Progesterone Pregnanedione Pregnanediol Pregnanetriol Dihydroprogesterone Hydroxyprogesterone
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