{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,13]],"date-time":"2026-05-13T01:20:26Z","timestamp":1778635226666,"version":"3.51.4"},"reference-count":28,"publisher":"British Editorial Society of Bone & Joint Surgery","issue":"1","license":[{"start":{"date-parts":[[2013,1,1]],"date-time":"2013-01-01T00:00:00Z","timestamp":1356998400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/online.boneandjoint.org.uk\/TDM"}],"content-domain":{"domain":["online.boneandjoint.org.uk"],"crossmark-restriction":true},"short-container-title":["The Bone &amp; Joint Journal"],"published-print":{"date-parts":[[2013,1]]},"abstract":"<jats:p> Twins are often considered to be at an increased risk of developmental dysplasia of the hip (DDH); we therefore investigated whether multiple births have a higher incidence of DDH, and if selective ultrasound scanning should be considered for these infants. <\/jats:p><jats:p> We reviewed our records of all live births between 1 January 2004 and 31 December 2008 and included 25 246 single and 990 multiple births. <\/jats:p><jats:p> Multiple births did not have a significantly higher incidence of DDH compared with single births (0.0030 vs 0.0023, p = 0.8939). Of the 990 multiple births, 267 had neonatal ultrasound scans and one case of DDH was diagnosed and treated successfully with a Pavlik harness. There were two late-presenting cases at eight and 14 months of age, neither of whom had risk factors for DDH and consequently had not had a neonatal scan. Whereas selective ultrasound scanning of multiple births would have led to earlier detection and treatment of the late-presenting cases, they did not have a significantly higher incidence of DDH compared with single births. <\/jats:p><jats:p> We conclude that being a twin or triplet in itself is not a risk factor for DDH and that selective ultrasound scanning is not indicated for this population. <\/jats:p><jats:p> Cite this article: Bone Joint J 2013;95-B:132\u20134. <\/jats:p>","DOI":"10.1302\/0301-620x.95b1.29927","type":"journal-article","created":{"date-parts":[[2013,1,8]],"date-time":"2013-01-08T20:07:42Z","timestamp":1357675662000},"page":"132-134","update-policy":"https:\/\/doi.org\/10.1302\/crossmark-policy","source":"Crossref","is-referenced-by-count":25,"title":["Should all twins and multiple births undergo ultrasound examination for developmental dysplasia of the hip?"],"prefix":"10.1302","volume":"95-B","author":[{"given":"L. V.","family":"Barr","sequence":"first","affiliation":[{"name":"Addenbrooke\u2019s Hospital, Department\rof Orthopaedics, Hills Road, Cambridge\rCB2 0QQ, UK."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"A.","family":"Rehm","sequence":"additional","affiliation":[{"name":"Addenbrooke\u2019s Hospital, Department\rof Orthopaedics, Hills Road, Cambridge\rCB2 0QQ, UK."}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"42","reference":[{"key":"r1","doi-asserted-by":"publisher","DOI":"10.1302\/0301-620X.76B3.8175853"},{"key":"r2","doi-asserted-by":"publisher","DOI":"10.1016\/S0140-6736(07)60710-7"},{"key":"r3","doi-asserted-by":"crossref","unstructured":"US Preventive Services Task Force. Screening for developmental dysplasia of the hip: recommendation statement Paediatrics 2006;898-902.","DOI":"10.1542\/peds.2005-1995"},{"key":"r4","doi-asserted-by":"crossref","unstructured":"Loder T, Skopelja E. ISRN Orthopedics. The epidemiology and demographics of hip dysplasia, 2011. http:\/\/downloads.isrn.com\/journals\/orthopedics\/2011\/238607.pdf (date last accessed 21 September 2012).","DOI":"10.5402\/2011\/238607"},{"key":"r5","doi-asserted-by":"publisher","DOI":"10.1097\/01241398-199911000-00012"},{"key":"r6","doi-asserted-by":"publisher","DOI":"10.1097\/01241398-199207000-00001"},{"key":"r7","doi-asserted-by":"publisher","DOI":"10.3109\/17453679908997820"},{"key":"r8","doi-asserted-by":"publisher","DOI":"10.1302\/0301-620X.72B3.2187878"},{"key":"r9","doi-asserted-by":"publisher","DOI":"10.1302\/0301-620X.52B4.704"},{"key":"r10","doi-asserted-by":"publisher","DOI":"10.1111\/j.1442-200X.2008.02575.x"},{"key":"r11","doi-asserted-by":"publisher","DOI":"10.1302\/0301-620X.91B5.22117"},{"key":"r12","doi-asserted-by":"publisher","DOI":"10.1097\/01241398-200205000-00013"},{"key":"r13","unstructured":"No authors listed. NHS Newborn &\n Infant Physical Examination Programme. Ultrasound Examination of the Hips in Screening for Developmental Dysplasia of the Hips (DDH), 2010. http:\/\/newbornphysical.screening.nhs.uk\/getdata.php?id=10855 (date last accessed 21 September 2012)."},{"key":"r14","doi-asserted-by":"publisher","DOI":"10.1097\/BPO.0b013e3181fc35c0"},{"key":"r15","unstructured":"Roth F. Statistical evaluation of over 1000 breech presentations. Schweiz Med Wochenschr 1960;91:1337\u20131343 (in German)."},{"key":"r16","doi-asserted-by":"publisher","DOI":"10.1375\/twin.3.1.7"},{"key":"r17","doi-asserted-by":"crossref","unstructured":"R\u00fchmann O, Lazovi\u0107 D, Bouklas P, R\u00f6ssig S. Ultrasound hip joint screening in newborn infants. Is twin pregnancy a risk factor for dysplasia? Ultraschall Med 1998;19:64\u201369 (in German).","DOI":"10.1055\/s-2007-1000463"},{"key":"r18","first-page":"712","volume":"5","author":"Czubak J","year":"2003","journal-title":"Ortop Traumatol Rehabil"},{"key":"r19","first-page":"6","volume":"119","author":"Ortolani M","year":"1976","journal-title":"Clin Orthop Relat Res"},{"key":"r20","first-page":"1103","volume":"59","author":"Barlow T","year":"1966","journal-title":"Proc R Soc Med"},{"key":"r21","doi-asserted-by":"publisher","DOI":"10.1007\/BF00436138"},{"key":"r22","unstructured":"Vogel K. Zur Aetiologie und pathologischen anatomie der luxation coxae congenita. In: No authors listed. Zeitschrift fuer orthopaedische chirurgie. 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