short term exposure ( 24 h ) to fsh resulted in the ratio of progesterone to 20 alpha-hydroxy-4-pregnen-3-one accumulations significantly increased ( by 2.6 fold ) , while the reverse was observed for the longer ( 48 and 72 h ) cultures whereby control levels of the ratio of progesterone to 20-alpha-hydroxy-4-pregnen-3-one were significantly greater ( by 50 % and 270 % , respectively ) than those of fsh-treated cultures .
C0033308
progesterone
C0012311
20-alpha-hydroxy-4-pregnen-3-one