So population screening and prenatal diagnosis are very important measures.
所以，人群筛选和产前诊断是很重要的措施。
Current biomarkers (such as CEA and CA-199) lack sensitivity and specificity for general population screening. Hence, there is a great need for new biomarkers for early detection of CRC.
虽然当前血清cea和CA- 199等的检测已被广泛应用于大肠癌的筛选，但其缺乏特异性和敏感性，这就需要进一步寻找新的标志物。
Further research of this method will introduce a more simple and rapid method for detecting male patients with fragile X syndrome. This method may be used for general population screening.
这一方法的进一步研究，将使脆性X男性患者的诊断方法更加简单、快速，有可能用于大规模群体筛查。
Currently, BRCA1 and 2 testing is recommended for women with families already affected by cancer, rather than as a population-screening tool for women worried about breast cancer but not at risk.
当前，BRCA1和BRCA2基因的检测对于有家族乳腺癌病史的妇女是推荐的，而不是作为对那些没有这种基因风险、而担心患乳腺癌的妇女进行人口筛查的工具。
Currently, BRCA1 and 2 testing is recommended for women with families already affected by cancer, rather than as a population-screening tool for women worried about breast cancer but not at risk.
当前，BRCA1和BRCA2基因的检测对于有家族乳腺癌病史的妇女是推荐的，而不是作为对那些没有这种基因风险、而担心患乳腺癌的妇女进行人口筛查的工具。
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