in addition to progesterone and 20-dihydroprogesterone , the following unconjugated steroids were isolated from ovarian tissue and ovarian venous blood of mature , non-pregnant rats : pregnenolone , 3betaoh-5alpha-pregnan-20-one , 3alphaoh-5alpha-pregnan-20-one , 20alphaoh-5alpha-pregnan-3-one and 5alpha-pregnane-3alpha , 20alpha-diol.2 .
C0038317
steroids
C0033006
pregnane