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contentuptodate· Content· item f21_15_21748

©2013 UpToDate ® Print Email Ultrasonographic appearance of a polycystic ovary in a 15-year-old with PCOS Ultrasonographic appearance of a polycystic ovary in a 15-year-old with polycystic ovary syndrome (PCOS). Note that in the maximal diameter the ovary is enlarged due to excessive central stroma. In addition, it is polycystic, containing over 10 follicles that are approximately 3 to 8 mm in diameter. Courtesy of Robert L. Rosenfield, MD.