<prompt> A girl presents with primary amenorrhoea with normal breast, hirsutism and acne. She most probably has:-Klinefelter syndromePCODTurners syndromeGonadal dysgenesis  <response>: Polycystic ovarian syndrome was originally described in 1935 by Stein Leventhal as a syndrome manifested by amenorrhea , hirsutism and obesity associated with enlarged polycystic ovaries, It is the most common endocrine disorder in women of reproductive age. 