Abstract
Thyroid dysfunction in infants born to mothers with Graves' disease (GD) is influenced by maternal factors including thyroid status, thyroid-stimulating hormone (TSH) receptor antibody (TRAb) concentration and antithyroid drug use. Thyroid dysfunction during early life could affect growth and development later in life. The aim of this study is to evaluate thyroid function tests (TFTs), and long-term growth and development of children born to mothers with GD. A retrospective chart review of children born to mothers with GD at the Faculty of Medicine Ramathibodi Hospital, Mahidol University, between January 2000 and December 2019 was performed. Clinical data including age of children at enrolment, sex, gestational age, birthweight, maternal thyroid status, maternal TRAb level, maternal GD treatment during pregnancy, neonatal TSH screening and TFT results, and growth and development outcomes of children were collected. There were 262 children (148 males) enrolled. Twelve (4%) infants had neonatal GD. Five (2%) infants had hypothyroidism requiring levothyroxine treatment: four had secondary hypothyroidism and one patient had congenital primary hypothyroidism. Seven (3%) infants had transient TSH elevation, which fell to normal by 2 weeks of age. The remaining 238 children had normal TFT results. Three out of 12 children with neonatal GD had either delayed growth or development. A number of infants born to mothers with GD had abnormal TFTs requiring specific management, and some of them had abnormal growth and development. Careful evaluation of TFTs and long-term follow-up are mandatory for those children.
Published Version
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