妊娠期亚临床甲状腺功能减退症的筛查
Published in Zhonghua weichan yixue zazhi • Feb 16, 2012
Authors:
徐先明
Abstract
亚临床甲状腺功能减退症( subclinical hypothyroidism,SCH)是指血清促甲状腺激素(thyroidstimulating hormone,TSH)高于正常,但血清游离甲状腺素( free thyroxine,FT4)在正常范围的一种情况.非孕妇中SCH发病率为4.0％～8.5％,年龄越大发病率越高,女性发病率较同年龄段男性高.因为诊断标准不统一,报道的妊娠期SCH发病率各不相同,估计发病率为2％～3％.临床甲状腺功能减退症(overt hypothyroidism,简称临床甲减)是指妊娠期TSH大于正常而FT4小于正常.若TSH＞ 10 mU/L,则无论FT4水平高低...
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