10 examine the relationship between obesity and chronic anovulation , we compared basal serum lh , fsh , and prl levels , determined at 20-min intervals , and basal c21 [ progesterone , 17- hydroxyprogesterone , pregnenolone , 17-hydroxypregnenolone ( 17pe ) , and cortisol ] , c19 [ testosterone ( t ) , delta 4-androstenedione ( a ) , and dehydroepiandrosterone ] and c18 ( estrone and estradiol ) steroid hormone concentrations measured at 1- to 2-h intervals for a 24-h period in five normal weight cycling women ( nc ) and in two groups of weight-matched obese women .
C0373704
pregnenolone
C0376260
17-hydroxypregnenolone