{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,23]],"date-time":"2026-06-23T15:56:31Z","timestamp":1782230191104,"version":"3.54.5"},"reference-count":37,"publisher":"Wiley","issue":"13","license":[{"start":{"date-parts":[[2012,11,19]],"date-time":"2012-11-19T00:00:00Z","timestamp":1353283200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["obgyn.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["BJOG"],"published-print":{"date-parts":[[2012,12]]},"abstract":"<jats:p><jats:italic>Please cite this paper as:<\/jats:italic> Lisonkova S, Sabr Y, Butler B, Joseph K. International comparisons of preterm birth: higher rates of late preterm birth are associated with lower rates of stillbirth and neonatal death. BJOG 2012;119:1630\u20131639.<\/jats:p><jats:p><jats:bold>Objective\u2002<\/jats:bold> To examine international rates of preterm birth and potential associations with stillbirths and neonatal deaths at late preterm and term gestation.<\/jats:p><jats:p><jats:bold>Design\u2002<\/jats:bold> Ecological study.<\/jats:p><jats:p><jats:bold>Setting\u2002<\/jats:bold> Canada, USA and 26 countries in Europe.<\/jats:p><jats:p><jats:bold>Population\u2002<\/jats:bold> All deliveries in 2004.<\/jats:p><jats:p><jats:bold>Methods\u2002<\/jats:bold> Information on preterm birth (&lt;37, 32\u201336, 28\u201331 and 24\u201327\u2003weeks of gestation) and perinatal deaths was obtained for 28 countries. Data sources included files and publications from Statistics Canada, the EURO\u2010PERISTAT project and the National Center for Health Statistics. Pearson correlation coefficients and random\u2010intercept Poisson regression were used to examine the association between preterm birth rates and gestational age\u2010specific stillbirth and neonatal death rates. Rate ratios with 95% confidence intervals were estimated after adjustment for maternal age, parity and multiple births.<\/jats:p><jats:p><jats:bold>Main outcome measures\u2002<\/jats:bold> Stillbirths and neonatal deaths \u226532 and \u226537\u2003weeks of gestation.<\/jats:p><jats:p><jats:bold>Results\u2002<\/jats:bold> International rates of preterm birth (&lt;37\u2003weeks) ranged between 5.3 and 11.4 per 100 live births. Preterm birth rates at 32\u201336\u2003weeks were inversely associated with stillbirths at \u226532\u2003weeks (adjusted rate ratio 0.94, 95% CI 0.92\u20130.96) and \u226537\u2003weeks (adjusted rate ratio 0.88, 95% CI 0.85\u20130.91) of gestation and inversely associated with neonatal deaths at \u226532\u2003weeks (adjusted rate ratio 0.88, 95% CI 0.85\u20130.91) and \u226537\u2003weeks (adjusted rate ratio 0.82, 95% CI 0.78\u20130.86) of gestation.<\/jats:p><jats:p><jats:bold>Conclusions\u2002<\/jats:bold> Countries with high rates of preterm birth at 32\u201336\u2003weeks of gestation have lower stillbirth and neonatal death rates at and beyond 32\u2003weeks of gestation. Contemporary rates of preterm birth are indicators of both perinatal health and obstetric care services.<\/jats:p>","DOI":"10.1111\/j.1471-0528.2012.03403.x","type":"journal-article","created":{"date-parts":[[2012,11,20]],"date-time":"2012-11-20T03:14:13Z","timestamp":1353381253000},"page":"1630-1639","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":52,"title":["International comparisons of preterm birth: higher rates of late preterm birth are associated with lower rates of stillbirth and neonatal death"],"prefix":"10.1111","volume":"119","author":[{"given":"S","family":"Lisonkova","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Y","family":"Sabr","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"B","family":"Butler","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"KS","family":"Joseph","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2012,11,19]]},"reference":[{"key":"e_1_2_11_2_2","volume-title":"Preterm Birth: Cases Consequences and Prevention","author":"Institute of Medicine","year":"2007"},{"key":"e_1_2_11_3_2","doi-asserted-by":"publisher","DOI":"10.1046\/j.1365-3016.2001.00004.x"},{"key":"e_1_2_11_4_2","volume-title":"Behind International Rankings of Infant of Infant Mortality: How the United States Compares with Europe","author":"MacDorman MF","year":"2009"},{"key":"e_1_2_11_5_2","unstructured":"European Perinatal Health Report. 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