<prompt> A 20-year-old female presents with excess facial hair and oligomenorrhea, increased levels of free testosterone, and normal ovaries on USG. Most likely diagnosis is:PCODAdrenal hyperplasiaIdiopathic hirsutismTestosterone-secreting tumor  <response>: Ans. A. PCODa. PCOSPCOD is a disorder of chronically abnormal ovarian function oligoanovulation and hyperandrogenism frequently aw hyperinsulinemia and insulin resistance, resulting in menstrual irregularity, infertility, and hirsutism.b. Rotterdam 2003 criteria for diagnosis of PCOSPCOD:c. At least 2 of 3 should be present:i. Oligoanovulation causes oligomenorrhea, amenorrhea, and infertilityii. Hyperandrogenism: Biochemical or clinical increased serum androgens or acne, hirsutismiii. 12 or more than 12 follicles 2-9mm in size present within or both ovaries on USG andor ovarian volume 10mL necklace-of pearl pattern. As the patient in the question satisfies first 2 criteria, she is a case of PCOS. 