shortly after ovulation the gth concentration slightly decreased together with a sharp decline in the concentrations of 17alpha,20beta-dihydroxy-4-pregnen-3-one and the 5beta-reduced steroids , with the exception of 5beta-pregnane-3alpha,17alpha,20alpha-triol , 5beta-pregnane-3alpha,6alpha,17alpha,20beta-tetrol and 5beta-dihydrotestosterone .
C0038317
steroids
C0033006
pregnane