{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,29]],"date-time":"2025-10-29T03:50:47Z","timestamp":1761709847496,"version":"3.41.2"},"reference-count":26,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2021,5,5]],"date-time":"2021-05-05T00:00:00Z","timestamp":1620172800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Molec Gen &amp; Gen Med"],"published-print":{"date-parts":[[2021,6]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Objective<\/jats:title><jats:p>This study was to report the experiences on the clinical value of noninvasive prenatal testing (NIPT) for the screening of fetal chromosomal deletions\/duplications.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>We performed a retrospective analysis of a cohort of 20,439 pregnancies undergoing NIPT from March 2017 to September 2020 at a single center. Patients with positive NIPT results for fetal chromosomal deletions or duplications had options of invasive diagnostic testing or no further testing. The data were complied from all cases with positive NIPT results for chromosomal deletions\/duplications. The positive predictive value (PPV) was calculated from tabulated data.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>In this cohort, positive NIPT results for fetal chromosomal deletions\/duplications were found in 60 pregnant women. Of the positive samples, further invasive testing was performed in 39 cases, in which 9 cases were found to be true positive. The overall PPV for chromosomal deletions\/duplications was 23.1%. In addition, fetal structural anomaly was found by ultrasound examination in three cases, in which the chromosomal deletions\/duplications of three cases were not verified. Moreover, an unexpected pathogenic 8p23.3 deletion was identified by invasive testing in 1 fetus with a false positive NIPT screen for 3q27.3q29 duplication.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>In summary, positive NIPT results of chromosomal deletions\/duplications were not uncommon in clinical practice, whereas the PPV for the testing was low. Hence, potential risks and high percentage of false positives for these abnormal NIPT results might be informed to pregnant women before the choice made of invasive testing.<\/jats:p><\/jats:sec>","DOI":"10.1002\/mgg3.1687","type":"journal-article","created":{"date-parts":[[2021,5,6]],"date-time":"2021-05-06T08:54:52Z","timestamp":1620291292000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":7,"title":["Clinical value for the detection of fetal chromosomal deletions\/duplications by noninvasive prenatal testing in clinical practice"],"prefix":"10.1002","volume":"9","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-6496-7569","authenticated-orcid":false,"given":"Lingshan","family":"Gou","sequence":"first","affiliation":[{"name":"Center for Genetic Medicine Xuzhou Maternity and Child Health Care Hospital Affiliated to Xuzhou Medical University Xuzhou China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Feng","family":"Suo","sequence":"additional","affiliation":[{"name":"Center for Genetic Medicine Xuzhou Maternity and Child Health Care Hospital Affiliated to Xuzhou Medical University Xuzhou China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yi","family":"Wang","sequence":"additional","affiliation":[{"name":"Center for Genetic Medicine Xuzhou Maternity and Child Health Care Hospital Affiliated to Xuzhou Medical University Xuzhou China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Na","family":"Wang","sequence":"additional","affiliation":[{"name":"Department of Technology Suzhou Beikang Medical Device Co. Ltd. Suzhou China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Qin","family":"Wu","sequence":"additional","affiliation":[{"name":"Zhejiang Biosan Biochemical Technologies Co. Ltd. Hangzhou China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shunan","family":"Hu","sequence":"additional","affiliation":[{"name":"Office of Scientific Research &amp; Henan Provincial Key Laboratory of Children\u2019s Genetics and Metabolic Diseases Children\u2019s Hospital Affiliated to Zhengzhou University Zhengzhou China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Peng","family":"Wang","sequence":"additional","affiliation":[{"name":"Center for Genetic Medicine Xuzhou Maternity and Child Health Care Hospital Affiliated to Xuzhou Medical University Xuzhou China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Lize","family":"Gu","sequence":"additional","affiliation":[{"name":"Center for Genetic Medicine Xuzhou Maternity and Child Health Care Hospital Affiliated to Xuzhou Medical University Xuzhou China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Man","family":"Zhang","sequence":"additional","affiliation":[{"name":"Zhejiang Biosan Biochemical Technologies Co. 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Hangzhou China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Chuanxia","family":"Wang","sequence":"additional","affiliation":[{"name":"Center for Genetic Medicine Xuzhou Maternity and Child Health Care Hospital Affiliated to Xuzhou Medical University Xuzhou China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yan","family":"Zhang","sequence":"additional","affiliation":[{"name":"Center for Genetic Medicine Xuzhou Maternity and Child Health Care Hospital Affiliated to Xuzhou Medical University Xuzhou China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Xin","family":"Yin","sequence":"additional","affiliation":[{"name":"Center for Genetic Medicine Xuzhou Maternity and Child Health Care Hospital Affiliated to Xuzhou Medical University Xuzhou China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Peng","family":"Zhang","sequence":"additional","affiliation":[{"name":"Shenzhen Longgang Institute of Stomatology Shenzhen Longgang E.N.T. 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