{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,8,24]],"date-time":"2025-08-24T01:39:29Z","timestamp":1755999569601,"version":"3.37.3"},"reference-count":23,"publisher":"Wiley","issue":"10","license":[{"start":{"date-parts":[[2014,12,17]],"date-time":"2014-12-17T00:00:00Z","timestamp":1418774400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/100000912","name":"March of Dimes Foundation","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100000912","id-type":"DOI","asserted-by":"publisher"}]},{"name":"Karola Joergensens Foundation"},{"name":"The Augustinus Foundation"},{"name":"The Danish Pharmacy Foundation"},{"DOI":"10.13039\/501100009902","name":"the Egmont Foundation","doi-asserted-by":"crossref","id":[{"id":"10.13039\/501100009902","id-type":"DOI","asserted-by":"crossref"}]},{"DOI":"10.13039\/501100000724","name":"The Health Foundation","doi-asserted-by":"crossref","id":[{"id":"10.13039\/501100000724","id-type":"DOI","asserted-by":"crossref"}]}],"content-domain":{"domain":["obgyn.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["BJOG"],"published-print":{"date-parts":[[2015,9]]},"abstract":"<jats:sec><jats:title>Objective<\/jats:title><jats:p>To examine the timing of reaching developmental milestones in children born post\u2010term.<\/jats:p><\/jats:sec><jats:sec><jats:title>Design<\/jats:title><jats:p>Cohort study.<\/jats:p><\/jats:sec><jats:sec><jats:title>Setting<\/jats:title><jats:p>The Danish National Birth Cohort: children born between 1997 and 2003.<\/jats:p><\/jats:sec><jats:sec><jats:title>Population<\/jats:title><jats:p>Data were obtained from a cohort of 92\u00a0892 pregnancies participating in the first pregnancy interview. All singletons born in gestational weeks 39\u201345 were identified. The study was then restricted to children who participated in an interview at the age of approximately 18\u00a0months and had information on at least one developmental milestone. We excluded children of mothers with chronic diseases from the final analysis. The remaining study population constituted of 43\u00a0915 singletons (27\u00a0503 born at term; 16\u00a0412 born post\u2010term).<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Logistic regression was used to calculate odds ratios of late achievement of these developmental milestones, adjusted for potential confounding factors.<\/jats:p><\/jats:sec><jats:sec><jats:title>Main outcome measures<\/jats:title><jats:p>Achieving developmental milestones at the time of interview or at a certain age.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>More children born post\u2010term achieved the assessed developmental milestones compared with children born at term (39\u201340\u00a0weeks). A test for trend for gestational ages 39, 40, and 41\u00a0weeks also showed a positive trend at achieving developmental milestones with gestational age at birth in nine out of 14\u00a0milestone items.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Children born post\u2010term appear to reach the main developmental milestones at an earlier age than children born at term. The association could also result from bias related to a longer time between conception and interviewing, misclassification of end points, or selection bias.<\/jats:p><\/jats:sec>","DOI":"10.1111\/1471-0528.13237","type":"journal-article","created":{"date-parts":[[2014,12,17]],"date-time":"2014-12-17T06:55:45Z","timestamp":1418799345000},"page":"1331-1339","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":7,"title":["Developmental milestones in children born post\u2010term in the Danish National Birth Cohort: a main research article"],"prefix":"10.1111","volume":"122","author":[{"given":"AW","family":"Olesen","sequence":"first","affiliation":[{"name":"Lillebaelt Hospital Kolding Denmark"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"J","family":"Olsen","sequence":"additional","affiliation":[{"name":"The Danish Epidemiology Science Centre Aarhus University Aarhus Denmark"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"JL","family":"Zhu","sequence":"additional","affiliation":[{"name":"The Danish Epidemiology Science Centre Aarhus University Aarhus Denmark"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2014,12,17]]},"reference":[{"key":"e_1_2_7_2_1","doi-asserted-by":"publisher","DOI":"10.1097\/00001648-199803000-00017"},{"key":"e_1_2_7_3_1","doi-asserted-by":"publisher","DOI":"10.1067\/mob.2003.446"},{"key":"e_1_2_7_4_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1471-0528.2007.01328.x"},{"key":"e_1_2_7_5_1","first-page":"317","volume-title":"Infants Born at Risk. 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