TY - JOUR T1 - Neonatal thyrotoxicosis is associated with transplacental passage of human thyroid stimulating immunoglobulin (HTSI). JF - Archives of Disease in Childhood JO - Arch Dis Child SP - 565 LP - 567 DO - 10.1136/adc.51.7.565 VL - 51 IS - 7 AU - I Mitchell AU - G Shenfield AU - J Brash Y1 - 1976/07/01 UR - http://adc.bmj.com/content/51/7/565.abstract N2 - A woman who developed thyrotoxicosis during pregnancy had a high level of HTSI at the time of delivery. The baby had high levels of HTSI initially but, unlike the mother, the levels fell, giving a half-life of HTSI of 10 days. ER -