Reproducibility of serum sex steroid assays in men by RIA and mass spectrometry
The early activation of the hypothalamic-pituitary-gonadal axis during infancy can be used in the evaluation of infants suspected of disorders of sex development DSD. However, few data exist on sex-specific reference ranges for these hormones during early life. To evaluate sex differences in reproductive hormone concentrations in serum from healthy infants to define sex-specific cutoff values and to apply these in infants with DSD.
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