KB62.3

Transient hypothyroxinaemia

Hipotiroxinemia transitória

Category

Definition

Transient hypothyroxinaemia is characterised by low thyroxine (T4, T3 and FT4) levels but normal level of thyroid-stimulating hormone (TSH), and is seen in preterm infants, usually those born before 30 weeks of gestational age.

Index Terms

Transient hypothyroxinaemia