Endocrine Abstracts

A 35-year-old woman was referred with biochemical hyperthyroidism (T4 30 pmol/l; T3 7 pmol/l) without TSH suppression (5.4 mIU/l). She was 7 weeks pregnant following natural conception, and reported no symptoms of hyperthyroidism. Migraines had been a feature in very early pregnancy, but her medical history was otherwise unremarkable and there was no significant family history. Examination findings were entirely normal.Investigation...