Context: Congenital hypothyroidism (CH) is the most prevalent endocrine disorder in the newborn and is routinely treated with life-long levothyroxine replacement therapy.

• 研究内容：先天性甲状腺功能减退症是新生儿中最常见的内分泌紊乱性疾病，常常需终生采用左旋甲状腺素替代疗法来治疗。