{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,2]],"date-time":"2026-07-02T21:52:53Z","timestamp":1783029173968,"version":"3.54.6"},"reference-count":21,"publisher":"Wiley","issue":"10","license":[{"start":{"date-parts":[[2020,7,16]],"date-time":"2020-07-16T00:00:00Z","timestamp":1594857600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"funder":[{"name":"Key Research and Development Program of Shaanxi Province","award":["2019ZDLSF01-06"],"award-info":[{"award-number":["2019ZDLSF01-06"]}]},{"name":"Scientific and Technological Projects for Social Development of Shaanxi Province","award":["2016SF-254"],"award-info":[{"award-number":["2016SF-254"]}]},{"name":"The First Affiliated Hospital of the Air Force Medical University","award":["XJZT18MJ53"],"award-info":[{"award-number":["XJZT18MJ53"]}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Clinical Laboratory Analysis"],"published-print":{"date-parts":[[2020,10]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>Central nervous system (CNS) abnormalities are a group of serious birth defects associated with high rates of stillbirths, infant death, or abnormal development, and various disease\u2010causing copy number variations play a much more important role in the etiology of CNS abnormalities. This study intends to present a retrospective study of the prenatal diagnosis and the pregnancy outcome of fetuses diagnosed with CNS abnormalities, and evaluate the clinical value of chromosomal microarray analysis (CMA) in prenatal diagnosis of CNS abnormalities.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>A total of 356 fetuses with CNS abnormalities with or without other ultrasound abnormalities subjected to invasive prenatal diagnosis at the first affiliated hospital of Air Force Medical University from January 2015 to August 2018. All cases have performed both karyotyping and CMA concurrently, but 20 fetuses with chromosome aneuploidy were excluded in the current study.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>The CMA identified pathogenic copy number variants (pCNVs) in 27\/336 (8.03%) fetuses, likely pCNVs in 8\/336 (2.38%) fetuses, and variants of unknown significance (VOUS) in 11\/336 (3.27%) fetuses. A total of 222 cases had single CNS abnormalities and the pCNVs detection rate was 5.86% (13\/222), the remaining 114 cases including CNS abnormalities plus other structural abnormalities, ultrasonographic soft markers and two or more CNS abnormalities, the pCNVs detection rate was 12.3% (14\/114).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Fetuses with CNS abnormalities have a higher risk of chromosomal abnormalities, our study showed that CNVs play an important role in the etiology of CNS abnormalities. The application of CMA could increase the detection rate of pCNVs causing CNS abnormalities.<\/jats:p><\/jats:sec>","DOI":"10.1002\/jcla.23434","type":"journal-article","created":{"date-parts":[[2020,7,17]],"date-time":"2020-07-17T05:25:52Z","timestamp":1594963552000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":14,"title":["Detection of submicroscopic chromosomal aberrations by chromosomal microarray analysis for the prenatal diagnosis of central nervous system abnormalities"],"prefix":"10.1002","volume":"34","author":[{"given":"Tingting","family":"Song","sequence":"first","affiliation":[{"name":"Department of Obstetrics and Gynecology The First Affiliated Hospital of Air Force Medical University Xi'an China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ying","family":"Xu","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynecology The First Affiliated Hospital of Air Force 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