{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,15]],"date-time":"2026-09-15T15:50:11Z","timestamp":1789487411640,"version":"build-2803163510"},"reference-count":58,"publisher":"Wiley","issue":"10","license":[{"start":{"date-parts":[[2026,7,2]],"date-time":"2026-07-02T00:00:00Z","timestamp":1782950400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"},{"start":{"date-parts":[[2026,7,2]],"date-time":"2026-07-02T00:00:00Z","timestamp":1782950400000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["82272022"],"award-info":[{"award-number":["82272022"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["obgyn.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Acta Obstet Gynecol Scand"],"published-print":{"date-parts":[[2026,10]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Introduction<\/jats:title>\n                    <jats:p>Fetal central nervous system (CNS) abnormalities have diverse etiologies, with genetic factors as a major contributor. Prenatal exome sequencing (ES) is a powerful tool for precise molecular diagnosis of CNS anomalies, but its diagnostic yield varies among studies. This study aimed to evaluate the additional diagnostic yield of prenatal ES compared with chromosomal microarray analysis (CMA) in fetuses with CNS anomalies detected by prenatal imaging.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Material and Methods<\/jats:title>\n                    <jats:p>We collected ES results from fetuses diagnosed with CNS anomalies by prenatal imaging (2019\u20132024) who had negative results. Subgroup analyses assessed phenotype\u2010specific ES diagnostic yield for associated genes and variants. A systematic review and meta\u2010analysis incorporating our data and published studies further explored the association between phenotype and diagnostic yield.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>In the cohort study of 219 cases, ES identified pathogenic\/likely pathogenic single nucleotide variations in 36 cases (16%). The highest diagnostic yield of ES was in cases with multisystem malformations (25%, 14\/55), followed by multiple CNS anomalies (15%, 2\/13) and isolated CNS anomalies (13%, 20\/151). The most commonly identified isolated CNS anomaly was agenesis of the corpus callosum (31%, 5\/16). Neural tube defects with urogenital anomalies were associated with a positive ES finding in 57% (4\/7) of cases. The meta\u2010analysis of 989 cases from 22 studies showed a pooled diagnostic yield of ES of 27% (95% CI, 21%\u201334%). The highest diagnostic yield of ES was in cases of corpus callosum anomalies with facial abnormalities (75%, 8\/11) and neural tube defects with urogenital malformations (80%, 12\/15). The diagnostic yield of ES for three or more CNS abnormalities was 43% (95% CI, 31%\u201358%), significantly higher than that for only two abnormalities (10%, 95% CI, 4%\u201318%). No significant difference in diagnostic yield was found between cases identified by prenatal MRI combined with ultrasound (27%, 95% CI, 20%\u201336%) and those identified by ultrasound alone (25%, 95% CI, 17%\u201335%).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>ES provided a significantly higher diagnostic yield than CMA for fetal CNS abnormalities, with diagnostic yields varying by phenotype. The systematic review and meta\u2010analysis confirmed that the complexity and combination of malformations are key factors associated with differences in ES diagnostic yield.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/aogs.70297","type":"journal-article","created":{"date-parts":[[2026,7,2]],"date-time":"2026-07-02T09:52:19Z","timestamp":1782985939000},"page":"1950-1964","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Prenatal exome sequencing of fetuses with central nervous system anomalies based on prenatal ultrasound and magnetic resonance imaging diagnosis: A retrospective cohort study with a systematic review and meta\u2010analysis"],"prefix":"10.1111","volume":"105","author":[{"ORCID":"https:\/\/orcid.org\/0009-0006-7429-3514","authenticated-orcid":false,"given":"Jia","family":"Yao","sequence":"first","affiliation":[{"name":"Department of Ultrasound Shengjing Hospital of China Medical University  Shenyang China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0003-4790-1316","authenticated-orcid":false,"given":"Yan","family":"Wang","sequence":"additional","affiliation":[{"name":"Department of Ultrasound Shengjing Hospital of China Medical University  Shenyang China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Gang","family":"Li","sequence":"additional","affiliation":[{"name":"Department of Ultrasound Shengjing Hospital of China Medical University  Shenyang China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zhitao","family":"Zhang","sequence":"additional","affiliation":[{"name":"Department of Obstetrics Shenyang Women's and Children's Hospital  Shenyang China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9752-9220","authenticated-orcid":false,"given":"Yuan","family":"Lv","sequence":"additional","affiliation":[{"name":"Department of Obstetrics Shenyang Women's and Children's Hospital  Shenyang China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lizhu","family":"Chen","sequence":"additional","affiliation":[{"name":"Department of Ultrasound Shengjing Hospital of China Medical University  Shenyang China"},{"name":"Key Laboratory of Health Ministry for Congenital Malformation Shengjing Hospital, China Medical University  Shenyang China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2026,7,2]]},"reference":[{"key":"e_1_2_14_2_1","doi-asserted-by":"publisher","DOI":"10.1136\/adc.2010.201483"},{"key":"e_1_2_14_3_1","doi-asserted-by":"publisher","DOI":"10.1053\/j.semperi.2009.04.002"},{"key":"e_1_2_14_4_1","doi-asserted-by":"publisher","DOI":"10.1097\/OGX.0b013e318186d3ea"},{"key":"e_1_2_14_5_1","doi-asserted-by":"publisher","DOI":"10.1002\/uog.13243"},{"key":"e_1_2_14_6_1","doi-asserted-by":"publisher","DOI":"10.1186\/s12884-020-03368-y"},{"key":"e_1_2_14_7_1","doi-asserted-by":"publisher","DOI":"10.3109\/01443615.2014.896885"},{"key":"e_1_2_14_8_1","doi-asserted-by":"publisher","DOI":"10.1155\/2015\/426379"},{"key":"e_1_2_14_9_1","doi-asserted-by":"publisher","DOI":"10.1002\/pd.3943"},{"key":"e_1_2_14_10_1","doi-asserted-by":"publisher","DOI":"10.1002\/uog.18915"},{"key":"e_1_2_14_11_1","doi-asserted-by":"publisher","DOI":"10.1002\/uog.12575"},{"key":"e_1_2_14_12_1","doi-asserted-by":"publisher","DOI":"10.1002\/jcla.23434"},{"key":"e_1_2_14_13_1","doi-asserted-by":"publisher","DOI":"10.1056\/NEJMoa1306555"},{"key":"e_1_2_14_14_1","doi-asserted-by":"publisher","DOI":"10.1001\/jama.2014.14601"},{"key":"e_1_2_14_15_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ogc.2017.10.003"},{"key":"e_1_2_14_16_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0140-6736(18)31940-8"},{"key":"e_1_2_14_17_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0140-6736(18)32042-7"},{"key":"e_1_2_14_18_1","doi-asserted-by":"publisher","DOI":"10.1038\/s41436-019-0731-7"},{"key":"e_1_2_14_19_1","doi-asserted-by":"publisher","DOI":"10.1038\/s41436-020-01067-9"},{"key":"e_1_2_14_20_1","doi-asserted-by":"publisher","DOI":"10.1002\/uog.24885"},{"key":"e_1_2_14_21_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.cca.2020.08.018"},{"key":"e_1_2_14_22_1","doi-asserted-by":"publisher","DOI":"10.1002\/pd.6145"},{"key":"e_1_2_14_23_1","doi-asserted-by":"publisher","DOI":"10.1002\/uog.26254"},{"key":"e_1_2_14_24_1","doi-asserted-by":"publisher","DOI":"10.1038\/gim.2015.30"},{"key":"e_1_2_14_25_1","doi-asserted-by":"publisher","DOI":"10.1136\/bmj.n160"},{"issue":"5","key":"e_1_2_14_26_1","first-page":"635","article-title":"Towards complete and accurate reporting of studies of diagnostic accuracy: the STARD initiative. 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