{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,2,21]],"date-time":"2025-02-21T11:03:22Z","timestamp":1740135802740,"version":"3.37.3"},"reference-count":15,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2015,9,14]],"date-time":"2015-09-14T00:00:00Z","timestamp":1442188800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/100000030","name":"Centers for Disease Control and Prevention","doi-asserted-by":"crossref","award":["200-2009-31663"],"award-info":[{"award-number":["200-2009-31663"]}],"id":[{"id":"10.13039\/100000030","id-type":"DOI","asserted-by":"crossref"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Paediatric Perinatal Epid"],"published-print":{"date-parts":[[2015,11]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>Birth certificate data overestimate national preterm births because a high percentage of last menstrual period (<jats:styled-content style=\"fixed-case\">LMP<\/jats:styled-content>) dates have errors. Study goals were to determine: (i) To what extent errors in transfer of birthweight and <jats:styled-content style=\"fixed-case\">LMP<\/jats:styled-content> date from medical records to birth certificates contribute to implausibly high birthweight\u2010for\u2010gestational\u2010age births; (ii) What percentage of implausible births would be resolved if the clinical estimate (<jats:styled-content style=\"fixed-case\">CE<\/jats:styled-content>) from birth certificates were used instead of <jats:styled-content style=\"fixed-case\">LMP<\/jats:styled-content>\u2010based gestational age, and with what degree of certainty; and (iii) Of those not resolved, what percentage had a medical explanation.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Medical records and birth certificates for all singleton infants with implausibly high birthweight\u2010for\u2010gestational\u2010age based on <jats:styled-content style=\"fixed-case\">LMP<\/jats:styled-content> delivered in the Kaiser Permanente Northwest system in Oregon during 1998\u20132007 were examined. Percentages of implausible records resolved under various scenarios were calculated.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>A total of 100 births with implausibly high birthweight\u2010for\u2010gestational age combinations were identified. When <jats:styled-content style=\"fixed-case\">LMP<\/jats:styled-content> date and birthweight from medical records were used instead of from birth certificates, 31% of births with implausible combinations were resolved. Substituting the <jats:styled-content style=\"fixed-case\">CE<\/jats:styled-content> on the birth certificate for the <jats:styled-content style=\"fixed-case\">LMP<\/jats:styled-content> date resolved 92%. Of the latter, the clinician's gestational age estimate in the medical record was obtained in early pregnancy in 72%. Five of the eight births with unresolved implausible combinations were to mothers with diabetes; the remaining three had no documented medical explanation.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>In this study, use of the birth certificate <jats:styled-content style=\"fixed-case\">CE<\/jats:styled-content> rather than the <jats:styled-content style=\"fixed-case\">LMP<\/jats:styled-content> resulted in a clinically reliable reclassification for the majority of implausible birthweight\u2010for\u2010gestational age deliveries.<\/jats:p><\/jats:sec>","DOI":"10.1111\/ppe.12243","type":"journal-article","created":{"date-parts":[[2015,9,14]],"date-time":"2015-09-14T12:53:42Z","timestamp":1442235222000},"page":"562-566","source":"Crossref","is-referenced-by-count":1,"title":["Investigating Implausible Gestational Age and High Birthweight Combinations"],"prefix":"10.1111","volume":"29","author":[{"given":"Lucinda J.","family":"England","sequence":"first","affiliation":[{"name":"Centers for Disease Control and Prevention  Atlanta GA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Joanna E.","family":"Bulkley","sequence":"additional","affiliation":[{"name":"Kaiser Permanente Center for Health Research  Portland OR"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Karen","family":"Pazol","sequence":"additional","affiliation":[{"name":"Centers for Disease Control and Prevention  Atlanta GA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"F. Carol","family":"Bruce","sequence":"additional","affiliation":[{"name":"Centers for Disease Control and Prevention  Atlanta GA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Terry","family":"Kimes","sequence":"additional","affiliation":[{"name":"Kaiser Permanente Center for Health Research  Portland OR"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Cynthia J.","family":"Berg","sequence":"additional","affiliation":[{"name":"Centers for Disease Control and Prevention  Atlanta GA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mark C.","family":"Hornbrook","sequence":"additional","affiliation":[{"name":"Kaiser Permanente Center for Health Research  Portland OR"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"William M.","family":"Callaghan","sequence":"additional","affiliation":[{"name":"Centers for Disease Control and Prevention  Atlanta GA"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2015,9,14]]},"reference":[{"key":"e_1_2_7_2_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1365-3016.2007.00857.x"},{"key":"e_1_2_7_3_1","unstructured":"Centers for Disease Control and Prevention.Guide to Completing the Facility Worksheets for the Certificate of Live Birth and Report of Fetal Death.2003.http:\/\/www.cdc.gov\/nchs\/data\/dvs\/guidetocompletefacilitywks.pdf[last accessed February 2015]."},{"key":"e_1_2_7_4_1","unstructured":"Centers for Disease Control and Prevention.Birth Edit Specifications for the 2003 Proposed Revision of the U.S. Standard Certificate of Birth.2003.http:\/\/www.cdc.gov\/nchs\/data\/dvs\/birth_edit_specifications.pdf[last accessed February 2015]."},{"key":"e_1_2_7_5_1","doi-asserted-by":"publisher","DOI":"10.1067\/mob.2002.127601"},{"key":"e_1_2_7_6_1","doi-asserted-by":"publisher","DOI":"10.1046\/j.1365-3016.2000.00275.x"},{"key":"e_1_2_7_7_1","doi-asserted-by":"publisher","DOI":"10.1001\/jama.1988.03410220090034"},{"key":"e_1_2_7_8_1","doi-asserted-by":"publisher","DOI":"10.1093\/aje\/kwh011"},{"key":"e_1_2_7_9_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1365-3016.2007.00859.x"},{"key":"e_1_2_7_10_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1365-3016.2007.00860.x"},{"key":"e_1_2_7_11_1","doi-asserted-by":"publisher","DOI":"10.1007\/s10995-013-1302-1"},{"key":"e_1_2_7_12_1","unstructured":"WilsonEC MartinJA.Measuring Gestational Age in Vital Statistics: Transitioning to the Obstetric Estimate of Gestation (Poster). 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