{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,27]],"date-time":"2026-08-27T10:25:07Z","timestamp":1787826307832,"version":"build-2784847793"},"reference-count":31,"publisher":"Informa UK Limited","issue":"1","license":[{"start":{"date-parts":[[2026,1,19]],"date-time":"2026-01-19T00:00:00Z","timestamp":1768780800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["www.tandfonline.com"],"crossmark-restriction":true},"short-container-title":["The Journal of Maternal-Fetal & Neonatal Medicine"],"published-print":{"date-parts":[[2026,12,31]]},"DOI":"10.1080\/14767058.2026.2614840","type":"journal-article","created":{"date-parts":[[2026,1,20]],"date-time":"2026-01-20T00:46:38Z","timestamp":1768869998000},"update-policy":"https:\/\/doi.org\/10.1080\/tandf_crossmark_01","source":"Crossref","is-referenced-by-count":1,"title":["Ultrasound and SNP-based cell-free DNA zygosity testing in twin pregnancies"],"prefix":"10.1080","volume":"39","author":[{"given":"Ruben","family":"Quintero","sequence":"first","affiliation":[{"name":"Department of Fetal Therapy, The Fetal Institute","place":["Coral Gables, USA"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6906-350X","authenticated-orcid":false,"given":"K. Joseph","family":"Hurt","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynecology, University of Colorado, School of Medicine","place":["Aurora, USA"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Neeta L.","family":"Vora","sequence":"additional","affiliation":[{"name":"Obstetrics and Gynecology, Division of Maternal Fetal Medicine, University of North Carolina","place":["Chapel Hill, USA"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Neil S.","family":"Seligman","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynecology, University of Rochester","place":["Rochester, USA"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Gerard P.","family":"Reilly","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynecology, Seven Hills Clinical Research Group","place":["Worcester, USA"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Myra J.","family":"Wick","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynecology, Mayo Clinic","place":["Rochester, USA"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Samuel B.","family":"Wolf","sequence":"additional","affiliation":[{"name":"Department of Clinical Research, Emerald Coast OBGYN Clinical Research","place":["Panama City, USA"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Maeve","family":"Hopkins","sequence":"additional","affiliation":[{"name":"Department of Maternal-Fetal Medicine, Cleveland Clinic","place":["Cleveland, USA"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Thomas","family":"Westover","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynecology, Capital Health","place":["Pennington, USA"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Homa K.","family":"Ahmadzia","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynecology, Inova Health System","place":["Fairfax, USA"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Camille","family":"Kanaan","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynecology, Eastern Virginia Medical School","place":["Norfolk, USA"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Andrei","family":"Rebarber","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynecology, Mount Sinai West, Ichan School of Medicine at Mount Sinai Hospital","place":["New York, USA"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Eftichia V.","family":"Kontopoulos","sequence":"additional","affiliation":[{"name":"Department of Fetal Therapy, The Fetal Institute","place":["Coral Gables, USA"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jingwen","family":"Zhang","sequence":"additional","affiliation":[{"name":"Molecular Biology Informatics & Statistics Natera, Inc.","place":["Austin, USA"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Melissa","family":"Egbert","sequence":"additional","affiliation":[{"name":"Molecular Biology Informatics & Statistics Natera, Inc.","place":["Austin, USA"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sophia","family":"Vourthis","sequence":"additional","affiliation":[{"name":"Molecular Biology Informatics & Statistics Natera, Inc.","place":["Austin, USA"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ashley","family":"Cantu-Weinstein","sequence":"additional","affiliation":[{"name":"Molecular Biology Informatics & Statistics Natera, Inc.","place":["Austin, USA"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jessica L.","family":"Saben","sequence":"additional","affiliation":[{"name":"Molecular Biology Informatics & Statistics Natera, Inc.","place":["Austin, USA"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Russ","family":"Jelsema","sequence":"additional","affiliation":[{"name":"Molecular Biology Informatics & Statistics Natera, Inc.","place":["Austin, USA"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Vivienne","family":"Souter","sequence":"additional","affiliation":[{"name":"Molecular Biology Informatics & Statistics Natera, Inc.","place":["Austin, USA"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Clark T.","family":"Johnson","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynecology, Sinai Hospital of Baltimore","place":["Baltimore, USA"]},{"name":"Department of Obstetrics and Gynecology, George Washington School of Medicine and Health Sciences","place":["Washington, USA"]},{"name":"Department of Obstetrics and Gynecology, Johns Hopkins School of Medicine","place":["Baltimore, USA"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Peter","family":"Benn","sequence":"additional","affiliation":[{"name":"UConn Health","place":["Farmington, USA"]}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"301","published-online":{"date-parts":[[2026,1,19]]},"reference":[{"key":"e_1_3_3_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ajog.2015.10.930"},{"key":"e_1_3_3_3_1","doi-asserted-by":"publisher","DOI":"10.1053\/j.sempedsurg.2019.07.008"},{"key":"e_1_3_3_4_1","doi-asserted-by":"publisher","DOI":"10.1002\/uog.6140"},{"key":"e_1_3_3_5_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.siny.2010.06.002"},{"key":"e_1_3_3_6_1","doi-asserted-by":"publisher","DOI":"10.1111\/1471-0528.16479"},{"key":"e_1_3_3_7_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ajog.2022.05.059"},{"key":"e_1_3_3_8_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ajog.2015.05.027"},{"issue":"6","key":"e_1_3_3_9_1","doi-asserted-by":"crossref","first-page":"e145","DOI":"10.1097\/AOG.0000000000004397","article-title":"Multifetal gestations: twin, triplet, and higher-order multifetal pregnancies: ACOG Practice Bulletin, Number 231","volume":"137","year":"2021","unstructured":"Multifetal gestations: twin, triplet, and higher-order multifetal pregnancies: ACOG Practice Bulletin, Number 231. Obstet Gynecol. 2021;137(6):e145\u2013e62.","journal-title":"Obstet Gynecol"},{"key":"e_1_3_3_10_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ejogrb.2016.04.023"},{"key":"e_1_3_3_11_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ajog.2006.06.039"},{"key":"e_1_3_3_12_1","doi-asserted-by":"publisher","DOI":"10.7863\/ultra.33.12.2187"},{"key":"e_1_3_3_13_1","doi-asserted-by":"publisher","DOI":"10.1111\/apm.12829"},{"key":"e_1_3_3_14_1","doi-asserted-by":"publisher","DOI":"10.1017\/S0001566000004943"},{"key":"e_1_3_3_15_1","doi-asserted-by":"publisher","DOI":"10.1017\/s0001566000003834"},{"key":"e_1_3_3_16_1","doi-asserted-by":"publisher","DOI":"10.1375\/twin.13.6.609"},{"key":"e_1_3_3_17_1","doi-asserted-by":"publisher","DOI":"10.1017\/s0001566000001859"},{"key":"e_1_3_3_18_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1365-3016.2005.00611.x"},{"key":"e_1_3_3_19_1","doi-asserted-by":"publisher","DOI":"10.1002\/pd.5989"},{"key":"e_1_3_3_20_1","doi-asserted-by":"publisher","DOI":"10.3390\/jcm8070937"},{"issue":"10","key":"e_1_3_3_21_1","doi-asserted-by":"crossref","first-page":"1235","DOI":"10.1002\/pd.6218","article-title":"Clinician-reported chorionicity and zygosity assignment using single-nucleotide polymorphism-based cell-free DNA: lessons learned from 55,344 twin pregnancies","volume":"42","author":"Wojas A","year":"2022","unstructured":"Wojas A, Martin KA, Koyen Malashevich A, et al. Clinician-reported chorionicity and zygosity assignment using single-nucleotide polymorphism-based cell-free DNA: lessons learned from 55,344 twin pregnancies. Prenat Diagn. 2022;42(10):1235\u20131241.","journal-title":"Prenat Diagn"},{"key":"e_1_3_3_22_1","doi-asserted-by":"publisher","DOI":"10.1080\/00016340701571905"},{"key":"e_1_3_3_23_1","doi-asserted-by":"publisher","DOI":"10.1007\/s40556-018-0153-7"},{"key":"e_1_3_3_24_1","doi-asserted-by":"publisher","DOI":"10.1002\/pd.3993"},{"key":"e_1_3_3_25_1","doi-asserted-by":"publisher","DOI":"10.1002\/pd.5609"},{"key":"e_1_3_3_26_1","doi-asserted-by":"publisher","DOI":"10.1067\/mob.2000.104923"},{"key":"e_1_3_3_27_1","doi-asserted-by":"publisher","DOI":"10.1002\/uog.13328"},{"key":"e_1_3_3_28_1","doi-asserted-by":"publisher","DOI":"10.1016\/s0002-9378(94)70083-4"},{"key":"e_1_3_3_29_1","doi-asserted-by":"publisher","DOI":"10.1097\/MS9.0000000000002252"},{"key":"e_1_3_3_30_1","doi-asserted-by":"publisher","DOI":"10.1002\/pd.2663"},{"key":"e_1_3_3_31_1","doi-asserted-by":"publisher","DOI":"10.1002\/pd.5255"},{"key":"e_1_3_3_32_1","doi-asserted-by":"publisher","DOI":"10.1002\/pd.6028"}],"container-title":["The Journal of Maternal-Fetal & Neonatal Medicine"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/www.tandfonline.com\/doi\/pdf\/10.1080\/14767058.2026.2614840","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,1,20]],"date-time":"2026-01-20T00:46:39Z","timestamp":1768869999000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.tandfonline.com\/doi\/full\/10.1080\/14767058.2026.2614840"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2026,1,19]]},"references-count":31,"journal-issue":{"issue":"1","published-print":{"date-parts":[[2026,12,31]]}},"alternative-id":["10.1080\/14767058.2026.2614840"],"URL":"https:\/\/doi.org\/10.1080\/14767058.2026.2614840","relation":{},"ISSN":["1476-7058","1476-4954"],"issn-type":[{"value":"1476-7058","type":"print"},{"value":"1476-4954","type":"electronic"}],"subject":[],"published":{"date-parts":[[2026,1,19]]},"assertion":[{"value":"The publishing and review policy for this title is described in its Aims & Scope.","order":1,"name":"peerreview_statement","label":"Peer Review Statement"},{"value":"http:\/\/www.tandfonline.com\/action\/journalInformation?show=aimsScope&journalCode=ijmf20","URL":"http:\/\/www.tandfonline.com\/action\/journalInformation?show=aimsScope&journalCode=ijmf20","order":2,"name":"aims_and_scope_url","label":"Aim & Scope"},{"value":"2025-06-05","order":0,"name":"received","label":"Received","group":{"name":"publication_history","label":"Publication History"}},{"value":"2025-10-04","order":1,"name":"revised","label":"Revised","group":{"name":"publication_history","label":"Publication History"}},{"value":"2026-01-06","order":2,"name":"accepted","label":"Accepted","group":{"name":"publication_history","label":"Publication History"}},{"value":"2026-01-19","order":3,"name":"published","label":"Published","group":{"name":"publication_history","label":"Publication History"}}],"article-number":"2614840"}}