Sexual dimorphism of thyroid function in newborns with congenital hypothyroidism.


Several characteristics of congenital hypothyroidism (CH) from thyroid dysgenesis (ectopy and athyreosis) are sexually dimorphic: girls are more often affected, and boys are twice more likely than girls to have absent knee epiphysis at diagnosis, an indicator of severity of CH. Whether the biochemical severity of CH is sexually dimorphic is unknown. We… (More)


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