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10~13孕周超声筛查颈部半透明层厚度的方法 被引量:3

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摘要 目的:应用超声测量10~13孕周胎儿颈部半透明层厚度(Nuchal Translucency,NT)和头臀长(Crown Rump Length,CRL),前瞻性研究吉林省汉族人群中NT与CRL和孕周的关系。方法:分别对10~13孕周的胎儿超声测量CRL,确定“超声孕周”后,再测量胎儿的颈部半透明层厚度,回顾性分析3826例10~13孕周胎儿资料,绘制各孕周NT的正常曲线,制定出第10百分位、第50百分位、第90百分位。结果:经NT筛查的10~13孕周胎儿中出生后随访3884中正常胎儿有3826例,其中10孕周胎儿571例,NT平均厚度为1.18mm;孕11周胎儿1026例,NT的平均厚度为1.21mm;孕12周胎儿1514例。NT平均厚度为2.02mm;孕13周胎儿715例,NT平均厚度为2.05mm。孕10~13周平均NT厚度为1.78mm。结论:①10~13孕周正常胎儿的NT随CRL的增大而增大;②对10~13周孕妇进行产前NT无创筛查,是一种尽早发现异常胎儿的有效方法。
出处 《中国妇幼保健》 CAS 北大核心 2007年第10期1383-1384,共2页 Maternal and Child Health Care of China
基金 吉林省科技厅资助20050409-6
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参考文献6

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共引文献16

同被引文献36

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二级引证文献9

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