的例子，诊断测试，包括羊膜穿刺术和绒毛取样。
Examples of diagnostic tests include amniocentesis and chorionic villus sampling.
目的探讨一种以胎盘绒毛取样进行荧光原位杂交（FISH）快速诊断染色体数目的方法。
Objective To study the numerical abnormality of chromosomes in lung cancer by dual-color fluorescence in situ hybridization(FISH).
绒毛取样需要从胚胎中取出遗传物质样本，有百分之一的可能导致流产，所以一般只有在胎儿患病风险很高的情况下才会使用。
The latter tests take samples of genetic material from the foetus but they carry a 1% risk of miscarriage and are therefore reserved for high risk pregnancies.
治疗一些类型的先天性肾上腺增生性肥大能够运用诸如羊水诊断或绒毛膜取样的产前检查被发现。
Treatment Some forms of CAH can be detected in prenatal tests like amniocentesis or villus sampling.
治疗一些类型的先天性肾上腺增生性肥大能够运用诸如羊水诊断或绒毛膜取样的产前检查被发现。
Treatment Some forms of CAH can be detected in prenatal tests like amniocentesis or chorionic villus sampling.
我们被告知，血液测试结果的准确性有99%，同时我的妻子需要做一个CVS测试（绒毛膜取样）以确认这些结果。
We were told that there was a 99% likelihood that the results of the blood test were accurate, and that my wife needed a CVS test (chorionic villus sampling) to confirm these results.
接下来，进一步减少TAT的改进措施包括从绒毛膜绒毛或羊水直接取样用于DNA分析。
The next step in improving the current test will include analysis of DNA from direct chorionic villus sampling or amniotic fluid to further reduce the TAT.
接下来，进一步减少TAT的改进措施包括从绒毛膜绒毛或羊水直接取样用于DNA分析。
The next step in improving the current test will include analysis of DNA from direct chorionic villus sampling or amniotic fluid to further reduce the TAT.
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