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Baseline neuroendocrine profiling. (A) Study schema. (B) Study subjects with IHH who underwent 8-h sampling between 2010 and 2011. (C) Healthy sister in early follicular phase (EFP). Arrowheads indicate LH pulses detected by the algorithm. E2, estradiol; P, progesterone; q10 min, every 10 min.
