Serum inhibin B is secreted by ovarian granulosa cells staing at:-
Serum inhibin B is secreted by ovarian granulosa cells staing at the preantral follicle stage and therefore reflects the size of the growing follicular coho . Reduced inhibin B levels are seen with aging even in normal feile women . Inhibin B alone has poor predictive value for ovarian response but improves the predictive value when added to the CCCT (chlomiphene citrate challenge test)
Primordial follicle stage
Preantral follicle stage
Early antral stage
Pre ovulatory stage
Normal Menstruation, Abnormal Menstruation, Menopausal Physiology and forsight of conception