metabolism of pregnenolone , progesterone , 17alpha-hydroxyprogesterone and androst-4-ene-3,17-dione by extracts of foetal placenta was investigated in late pregnancy , after premature parturition induced with dexamethasone or prostaglandins and after spontaneous parturition at term .
C0033308
progesterone
C0020387
17alpha-hydroxyprogesterone