Endocrine Abstracts

Introduction: Maternal hypo- and hyperthyroidism during pregnancy have been associated with high and low birth weights, which predispose for various diseases later in life, such as cardiovascular diseases and cancer. However, the effects of variation in maternal thyroid hormone levels within the normal range on fetal growth and birth weight are largely unknown.Methods: First trimester serum TSH, FT4 and TPO-antibody (TPOab) levels were determi...