What is the role of estradiol measurement in the evaluation of amenorrhea?

Updated: Jan 08, 2019
  • Author: Kristi A Tough DeSapri, MD; Chief Editor: Richard Scott Lucidi, MD, FACOG  more...
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Answer

Serum estradiol levels undergo wide fluctuations during the normal menstrual cycle. During the early follicular phase of the menstrual cycle, levels may be lower than 50 pg/mL. During the preovulatory estradiol surge, levels in the range of 400 pg/mL are not uncommon. In healthy menopausal women, estradiol levels are routinely lower than 20 pg/mL.


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