18-trisomy 三体综合征
chromosome 18-trisomy syndrome 第18号染色体三体综合征
18 trisomy syndrome 三体综合征
18-trisomy syndrome 三体综合征
18-trisomy syndrome edward syndrome 三体综合征
trisomy-18 三体
Trisomy 18 三染色体 ; 症
trisomy 18 mouse 三体小鼠
Results Nine cases of trisomy 18 and 2 cases of other abnormal karyotype were found among the 128 pregnant women (8.59%, 11/128).
结果128例胎儿核型中，9例为18三体综合征，2例为其它染色体异常，染色体异常发现率为8·59%（11/128）。
Objective: To determine the rate of prenatal detection of ultrasonography abnormalities in fetuses with trisomy 18 and evaluate its predictive value.
目的：探讨孕期18 -三体胎儿超声异常的产前检出率及临床价值。
CONCLUSIONS: The extent to which free fetal DNA testing can be applied as a universal screening tool for trisomy 21, 18, and 13 depends mainly on assay accuracy and cost.
结论：胎儿游离dna检测作为21三体、18三体和13三体的通用筛查工具的程度，主要取决于测定方法的准确性和成本。
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