ESPE Abstracts

Background: Hyperthyrotropinaemia (HTT) describes the biochemical condition of elevated thyroid stimulating hormone (TSH) with normal thyroid hormone concentration. The aetiology of this condition is likely multifactorial but factors such as maternal thyroid disease and presence of trisomy 21 (T21) are thought to play an important role. HTT can be identified during newborn screening for congenital hypothyroidism (CHT), or when thyroid investigations are perfor...