【摘要】 目的:探讨胎儿颈项透明层(NT)增厚与胎儿染色体异常的关系。方法:2009年2月～2012年1月在舟山市妇幼保健院进行产前检查的312名NT增厚孕妇行胎儿染色体核型分析。结果:312名孕妇NT增厚孕妇中14例胎儿为染色体核型异常,比例为4.49%,并且NT≥3.0 mm对染色体异常的诊断灵敏度为96.45%,特异性为94.45%。结论:NT增厚对染色体异常的早期筛查具有重要意义,NT≥3.0 mm是进行染色体筛查的一个重要的指标。更多还原

【Abstract】 Objective:To explore the relationship between nuchal translucency thickness(NT) thickening and fetal chromosomal abnormality.Methods:From February 2009 to January 2012,312 pregnant women with NT thickening who received prenatal examination in the hospital received fetal karyotype analysis.Results:Among 312 pregnant women with NT thickening,14 fetuses were found with chromosomal abnormality,the proportion was 4.49%,and the sensitivity and specificity of NT≥3.0 mm for diagnosis of chromosomal abnormality was 96.45% and 94.45%,respectively.Conclusion:NT thickening has important significance for early screening of chromosomal abnormality,NT≥3.0 mm is an important index for chromosomal screening.更多还原