ˈ ̷ ̷ˌ ̷ ̷ˈ ̷ ̷ˌ ̷ ̷ noun
( -s )
Etymology: International Scientific Vocabulary pregnane + -diol
: a crystalline biologically inactive dihydroxy derivative C 21 H 34 (OH) 2 of pregnane that is formed by reduction of progesterone and is found especially in pregnancy urine in the form of its glucuronide