Polycystic ovaries but not PCOS? Is that possible? Polycystic ovaries or PCO is a condition where the ovaries appear to contain a higher number of ovarian follicles than usual. The cysts are sacs that are present in or on the ovaries and are filled with fluid. The ovarian cysts are usually detected and identified during an ultrasound scan. Polycystic ovaries are very common, and a lot of women are most likely to develop them at some point in their lifetime.
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