Babies born to mothers with thyroid disease

Thyroid dysfunctions are the second most common endocrine disorders complicating pregnancy after diabetes mellitus. Mater- nal thyroid dysfunctions are associated with miscarriage, pre- eclampsia, eclampsia, placental abruption and preterm delivery. As maternal thyroxine is essential for fetal neurodevelopment, until the foetal thyroid gland starts to produce thyroid hormones in the second trimester of gestation, reduced availability of maternal thy- roid hormones may impair neurogical development of the foetus. It has been reported decreased IQ in infants born to mothers with hypothyroidism or hypothyroxinemia