How is hyperprolactinemia differentiated from polycystic ovarian syndrome (PCOS)?

Updated: Sep 19, 2019
  • Author: Richard Scott Lucidi, MD, FACOG; Chief Editor: Richard Scott Lucidi, MD, FACOG  more...
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A small percentage of patients with PCOS have elevated prolactin levels (typically >25 mg/dL). Hyperprolactinemia can be excluded by checking a fasting serum prolactin concentration.

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