serum progesterone concentration increased ( 37.2 +/- 15.6 to 119.2 +/- 34.6 ng/dl , p less than 0.01 ) whereas serum 17-hydroxyprogesterone concentration declined after bile duct ligation suggesting the development of a 17-hydroxylase enzymatic block .
C0033308
progesterone
C0020387
17-hydroxyprogesterone