<prompt> A 28 year old female comes to you with history of oligomenorrhea. On examination you note hirsutism and virilisation. USG showed that the left ovary is enlarged. The testosterone levels comes as 4 ngml. What is the MOST probable diagnosis? Note: The LH levels are normal.PCOSStromal hypehecosisLuteoma of pregnancyOvarian tumor  <response>: PCOS is associated with elevated LH and mildly elevated testosterone. In case of stromal hypehecosis, though testosterone is elevated and LH is normal. Markedly elevated testosterone 2 ngml is suggestive of tumor. Ref: Essentials of Gynaecology by Lakshmi Seshadri, Edition 1, page - 254. 