Abstract
Prospective research have shown that whole exome sequencing (WES) may be considered when a diagnosis cannot be obtained using routine prenatal methods, e.g., chromosomal karyotyping and copy number variation sequencing, for fetuses with significant structural anomalies. WES can increase the diagnostic rate of genetic disorders in such fetuses by 8% - 10%. Prenatal WES has been gaining wide acceptance. However, due to the limitations of fetal phenotypic evaluation and complexity of ethical issues in prenatal diagnosis, to justify and standardize the application of prenatal WES and maximize its clinical utility has become an urgent need. In view of this, a consensus has been formed by referring to the latest guidelines, expert consensus and authoritative literature. This consensus has put forward suggestions on the suitable objects of prenatal WES, pre-test consultation, sampling and laboratory testing, results report, post-test consultation, pregnancy outcome follow-up, multidisciplinary consultation of difficult cases, preservation of prenatal WES samples and data information.
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Schedule a callMore From: Zhonghua yi xue yi chuan xue za zhi = Zhonghua yixue yichuanxue zazhi = Chinese journal of medical genetics
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