Which of the following is not common metabolite of progesterone excreted in urine?: (A) Pregnanelone, (B) Pregnanetriol, (C) 17-hydroxy pregnenolone, (D) Pregnanediol
Answer is D. Pregnanediol, or 5b-pregnane-3a,20a-diol, is an inactive metabolic product of progesterone.found especially in the urine of pregnant women and during the premenstrual and luteal phases of the menstrual cycle.