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甲状腺功能低下是先天性低智能儿的常见原因之一,若能在出生后三个月内确诊并给予治疗,则75%的患儿智商可增至85。当延至出生后3~7个月才开始治疗时,则85%的患儿将遗留下不可逆转的智能损害。
Hypothyroidism is one of the most common causes of congenital low intelligence. If diagnosed and treated within three months after birth, 75% of children have an IQ of 85. When treatment is delayed until 3 to 7 months after birth, 85% of the children will inherit irreversible intellectual impairment.