超声测量胎儿颈项透明层厚度在诊断胎儿异常发育的价值
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摘要: 目的:评价超声测量胎儿颈项透明层(nuchal translucency,NT)在检出胎儿异常发育的临床诊断价值。方法:对1 000例孕11~13+6周胎儿测量NT厚度,超声随访观察至出生后3 d。结果:共检出5例染色体异常的胎儿,1例单心房单心室的胎儿,1例颈部水囊瘤的胎儿。结论:超声探测NT厚度能早期有效的筛查染色体异常及合并严重并发症的胎儿,结合产前诊断超声随诊胎儿NT厚度对胎儿评估预后具有非常重要的意义。
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