To study the pattern of thyroglobulin (Tg) serum concentrations in the first days of life, Tg, TSH, T 3, and T 4 were measured in both maternal and cord blood at delivery and 1, 6, 12, 24, 48, 72, and 96 h after birth in 16 newborns. Tg levels at birth were higher in cord blood than in maternal blood. After birth, a prolonged Tg rise occurred. The increased levels became significant at 6 h and were maintained throughout the study. Tg levels were not correlated with serum levels of T 3, T 4, and TSH. We conclude that either a reduced Tg MCR or an increased thyroidal secretion of Tg after endogenous TSH stimulation in the newborn is a possible explanation for the elevated Tg levels occurring during the first days of life.
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|Titolo:||Serum thyroglobulin levels in the newborn|
|Data di pubblicazione:||1981|
|Appartiene alla tipologia:||01a Articolo in rivista|