Optic Nerve Hypoplasia (ONH) A spectrum and a practical ...

Endocrinology work-up: fasting morning cortisol and glucose, TSH, free T4, IGF-1, IGGBP-3, and prolactin. Under 6 months can measure luteinizing hormone, FSH, testosterone level, to predict delayed puberty, after 6 months sex hormones not produced until puberty so cannot be measured ................
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