The purpose of this study is to analyze AMH levels in patients with prolonged FHA (more than 2 years). Based on previous studies, we can assume that prolonged FHA may mimic a condition of primary hypogonadotropic hypogonadism, due to a lasting interruption of gonadotropin release. Furthermore, after the resumption of the spontaneous menstrual cycle, we will reanalyze AMH levels, which we hypothesize to find higher. If our hypotheses are confirmed correct, we could support the thesis that AMH is not a good index of ovarian reserve in patients with functional hypothalamic amenorrhea.
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AMH assay
Timeframe: 12 months