cortisol , testosterone , estradiol-17beta , 17alpha,20alpha-dihydroxy-4-pregnen-3-one and 17alpha-hydorxyprogesterone did not increase pgf levels by 48h of incubation , however , several other progestational steroids including 20beta-dihydroprogesterone ( 20beta-p ) and progesterone did .
C0012311
dihydroprogesterone
C0033308
progesterone