The hormones used to measure ovarian reserve and help determine if a woman is nearing menopause are FSH and AMH (anti-müllerian hormone).
In general, FSH values above 10 mIU/ml correspond to a decrease in ovarian reserve. For AMH, a value below 0.6 ng/ml indicates a low ovarian reserve.
You can obtain more detailed information on this subject in the following article: What Is the Function of Anti-Müllerian hormone?.
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