pregnanediol

noun
preg·​nane·​di·​ol | \ -ˈdī-ˌȯl How to pronounce pregnanediol (audio) \

Medical Definition of pregnanediol

: a biologically inactive crystalline dihydroxy derivative C21H36O2 of pregnane that is formed by reduction of progesterone and is found especially in the urine of pregnant women in the form of its glucuronide