Objective To find suitable critical value of fetal nuchal translucency (NT) by ultrasonic testing.
目的通过超声检查寻找合适的胎儿颈项皮肤厚度（NT）临界值。
This paper studied the mutagenic effect of three rubber additives (ETU. TMTD. PBNA) by mice fetal liver micronucleus testing.
通过小鼠胎肝微核试验检测三种橡胶添加剂etu、TMTD、PBNA通透胎盘的致突变作用。
Science, Medicine, and the Future: Cell-free fetal DNA and RNA in maternal blood: implications for safer antenatal testing.
科学，医学，面向未来：母血中无细胞的胎儿DNA和RNA：对安全的产前测试的影响。
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。
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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