Pregnanediol

**Definition:** An inactive metabolite of PROGESTERONE by reduction at C5, C3, and C20 position. Pregnanediol has two hydroxyl groups, at 3-alpha and 20-alpha. It is detectable in URINE after OVULATION and is found in great quantities in the pregnancy urine.

**Tree numbers:** - D04.210.500.745.495 - D06.472.334.851.687.750.739