in addition , when six precursors of testosterone ( pregnenolone , 17pe , dehydroepiandrosterone , progesterone , 17-hydroxyprogesterone , and a ) were considered together as a group and the data analyzed by the kappa 2 test , a reduction in basal levels of these precursors was found in oc women relative to those in nc women ( p less than 0.005 ) .
C0033308
progesterone
C0020387
17-hydroxyprogesterone