placental progesterone concentration ( 6,829 +/- 469 ng/g wet weight , mean +/- sem ) was higher in the sulprostone group than in the control group ( 5,070 +/- 539 ng/g , p less than 0.02 ) , but the mean concentrations of 20 alpha-dihydroprogesterone , estrone and estradiol were similar in both groups .
C0033308
progesterone
C0012311
20