Pregnanolone

**Definition:** A pregnane found in the urine of PREGNANT PEOPLE and sows. It has anesthetic, hypnotic, and sedative properties.

**Tree numbers:** - D04.210.500.745.640

**Synonyms:** - 3 alpha-Hydroxy-5 beta-pregnan-20-one - 3 alpha, 5 beta-Tetrahydroprogesterone - 3-Hydroxypregnan-20-one - Eltanolone - Pregnan-3alpha-ol-20-one - Pregnanolone, (3alpha,5beta)-isomer