similarly , since the changes in maternal and fetal oestrone and oestrone sulphate concentrations were not affected by treatment of the ewe with either progesterone or medroxyprogesterone acetate , the increase in the activity of aromatase , observed during induced parturition , was not inhibited , not did the exogenous progesterone provide any further substrate for placental oestrogen production .
C0014942
oestrone
C0059668
oestrone sulphate