{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,6]],"date-time":"2026-10-06T13:37:10Z","timestamp":1791293830103,"version":"4.1.0"},"reference-count":26,"publisher":"Elsevier BV","issue":"3","license":[{"start":{"date-parts":[[2005,3,1]],"date-time":"2005-03-01T00:00:00Z","timestamp":1109635200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2005,3,1]],"date-time":"2005-03-01T00:00:00Z","timestamp":1109635200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/legal\/tdmrep-license"}],"content-domain":{"domain":["ajog.org","clinicalkey.com","clinicalkey.com.au","clinicalkey.es","clinicalkey.fr","clinicalkey.jp","elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["American Journal of Obstetrics and Gynecology"],"published-print":{"date-parts":[[2005,3]]},"DOI":"10.1016\/j.ajog.2004.07.029","type":"journal-article","created":{"date-parts":[[2005,2,26]],"date-time":"2005-02-26T19:43:45Z","timestamp":1109447025000},"page":"862-867","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":37,"title":["Risk factors for neonatal mortality among extremely-low-birth-weight infants"],"prefix":"10.1016","volume":"192","author":[{"given":"Stephen J.","family":"Bacak","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kesha","family":"Baptiste-Roberts","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Erol","family":"Amon","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Belinda","family":"Ireland","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Terry","family":"Leet","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"78","reference":[{"key":"10.1016\/j.ajog.2004.07.029_bib1","first-page":"1","article-title":"Births: final data for 2002","volume":"52","author":"Martin","year":"2003","journal-title":"Natl Vital Stat Rep"},{"key":"10.1016\/j.ajog.2004.07.029_bib2","first-page":"321","article-title":"Limits of fetal viability. Obstetric considerations regarding the management and delivery of the extremely premature baby","volume":"15","author":"Amon","year":"1988","journal-title":"Obstet Gynecol Clin North Am"},{"key":"10.1016\/j.ajog.2004.07.029_bib3","doi-asserted-by":"crossref","first-page":"960","DOI":"10.1016\/S0002-9378(97)70386-7","article-title":"Obstetric determinants of neonatal survival: influence of willingness to perform cesarean delivery on survival of extremely low-birth-weight infants: National Institute of Child Health and Human Development Network of Maternal-Fetal Medicine Units","volume":"176","author":"Bottoms","year":"1997","journal-title":"Am J Obstet Gynecol"},{"key":"10.1016\/j.ajog.2004.07.029_bib4","doi-asserted-by":"crossref","first-page":"796","DOI":"10.1067\/mob.2002.121652","article-title":"Risk factors for early death among extremely low-birth-weight infants","volume":"186","author":"Shankaran","year":"2002","journal-title":"Am J Obstet Gynecol"},{"key":"10.1016\/j.ajog.2004.07.029_bib5","doi-asserted-by":"crossref","first-page":"665","DOI":"10.1016\/S0002-9378(99)70270-X","article-title":"Obstetric determinants of neonatal survival: antenatal predictors of neonatal survival and morbidity in extremely low birth weight infants","volume":"180","author":"Bottoms","year":"1999","journal-title":"Am J Obstet Gynecol"},{"key":"10.1016\/j.ajog.2004.07.029_bib6","doi-asserted-by":"crossref","first-page":"1266","DOI":"10.1016\/S0002-9378(13)90447-6","article-title":"Survival and short-term outcome in newborns of 23 to 25 weeks' gestation","volume":"170","author":"Holtrop","year":"1994","journal-title":"Am J Obstet Gynecol"},{"key":"10.1016\/j.ajog.2004.07.029_bib7","doi-asserted-by":"crossref","first-page":"1380","DOI":"10.1016\/0002-9378(87)90004-4","article-title":"Obstetric variables predicting survival of the immature newborn (less than or equal to 1000 gm): a five-year experience at a single perinatal center","volume":"156","author":"Amon","year":"1987","journal-title":"Am J Obstet Gynecol"},{"key":"10.1016\/j.ajog.2004.07.029_bib8","doi-asserted-by":"crossref","first-page":"427","DOI":"10.1016\/S0022-3476(95)70463-9","article-title":"Neonatal mortality rate is further improvement possible?","volume":"126","author":"Philip","year":"1995","journal-title":"J Pediatr"},{"key":"10.1016\/j.ajog.2004.07.029_bib9","doi-asserted-by":"crossref","first-page":"9","DOI":"10.1055\/s-2002-20176","article-title":"Contemporary trends in the management of delivery at 23 weeks' gestation","volume":"19","author":"McElrath","year":"2002","journal-title":"Am J Perinatol"},{"key":"10.1016\/j.ajog.2004.07.029_bib10","first-page":"181","article-title":"Perinatal care at the threshold of viability (practice bulletin)","volume":"79","author":"American College of Obstetrics and Gynecology","year":"2002","journal-title":"Int J Gynaecol Obstet"},{"key":"10.1016\/j.ajog.2004.07.029_bib11","doi-asserted-by":"crossref","first-page":"163","DOI":"10.1016\/0029-7844(95)00386-X","article-title":"A United States national reference for fetal growth","volume":"87","author":"Alexander","year":"1996","journal-title":"Obstet Gynecol"},{"key":"10.1016\/j.ajog.2004.07.029_bib12","first-page":"359","article-title":"Mortality among infants with congenital malformations, New York State, 1983 to 1988","volume":"111","author":"Druschel","year":"1996","journal-title":"Public Health Rep"},{"key":"10.1016\/j.ajog.2004.07.029_bib13","doi-asserted-by":"crossref","first-page":"1024","DOI":"10.1542\/peds.110.5.1024","article-title":"Perinatal care at the threshold of viability","volume":"110","author":"MacDonald","year":"2002","journal-title":"Pediatrics"},{"key":"10.1016\/j.ajog.2004.07.029_bib14","doi-asserted-by":"crossref","first-page":"315","DOI":"10.1038\/sj.jp.7210694","article-title":"Does incomplete growth and development predispose teenagers to preterm delivery? A template for research","volume":"22","author":"Stevens-Simon","year":"2002","journal-title":"J Perinatol"},{"key":"10.1016\/j.ajog.2004.07.029_bib15","first-page":"185","article-title":"Preterm singleton births\u2014United States, 1989-1996","volume":"48","author":"Center of Disease Control and Prevention","year":"1999","journal-title":"MMWR Morb Mortal Wkly Rep"},{"key":"10.1016\/j.ajog.2004.07.029_bib16","doi-asserted-by":"crossref","first-page":"E1","DOI":"10.1542\/peds.107.1.e1","article-title":"Very low birth weight outcomes of the National Institute of Child Health and Human Development Neonatal Research Network, January 1995 through December 1996. NICHD Neonatal Research Network","volume":"107","author":"Lemons","year":"2001","journal-title":"Pediatrics"},{"key":"10.1016\/j.ajog.2004.07.029_bib17","doi-asserted-by":"crossref","first-page":"1645","DOI":"10.1001\/jama.1996.03540200031027","article-title":"Viability, morbidity, and resource use among newborns of 501- to 800-g birth weight. NICHD Neonatal Research Network","volume":"276","author":"Tyson","year":"1996","journal-title":"JAMA"},{"key":"10.1016\/j.ajog.2004.07.029_bib18","doi-asserted-by":"crossref","first-page":"F182","DOI":"10.1136\/fn.83.3.F182","article-title":"Sex differences in outcomes of very low birthweight infants: the newborn male disadvantage","volume":"83","author":"Stevenson","year":"2000","journal-title":"Arch Dis Child Fetal Neonatal Ed"},{"key":"10.1016\/j.ajog.2004.07.029_bib19","doi-asserted-by":"crossref","first-page":"198","DOI":"10.1016\/S0002-9378(00)70513-8","article-title":"Morbidity and mortality among very-low-birth-weight neonates with intrauterine growth restriction: the Vermont Oxford Network","volume":"182","author":"Bernstein","year":"2000","journal-title":"Am J Obstet Gynecol"},{"key":"10.1016\/j.ajog.2004.07.029_bib20","doi-asserted-by":"crossref","first-page":"873","DOI":"10.1067\/mob.2002.126985","article-title":"Cesarean delivery rates at the threshold of viability","volume":"187","author":"Redman","year":"2002","journal-title":"Am J Obstet Gynecol"},{"key":"10.1016\/j.ajog.2004.07.029_bib21","first-page":"769","article-title":"Relationship of cesarean delivery to lower birth weight-specific neonatal mortality in singleton breech infants in the United States","volume":"92","author":"Lee","year":"1998","journal-title":"Obstet Gynecol"},{"key":"10.1016\/j.ajog.2004.07.029_bib22","doi-asserted-by":"crossref","first-page":"170","DOI":"10.1046\/j.1365-3016.1999.00171.x","article-title":"The relationship between Caesarean section and neonatal mortality in very-low-birth weight infants born in Washington State, USA","volume":"13","author":"Jonas","year":"1999","journal-title":"Paediatr Perinat Epidemiol"},{"key":"10.1016\/j.ajog.2004.07.029_bib23","doi-asserted-by":"crossref","first-page":"131","DOI":"10.1016\/S0002-9378(98)70639-8","article-title":"Changing patterns in regionalization of perinatal care and the impact on neonatal mortality","volume":"178","author":"Yeast","year":"1998","journal-title":"Am J Obstet Gynecol"},{"key":"10.1016\/j.ajog.2004.07.029_bib24","doi-asserted-by":"crossref","first-page":"332","DOI":"10.1093\/aje\/153.4.332","article-title":"Placental abruption and perinatal mortality in the United States","volume":"153","author":"Ananth","year":"2001","journal-title":"Am J Epidemiol"},{"key":"10.1016\/j.ajog.2004.07.029_bib25","doi-asserted-by":"crossref","first-page":"152","DOI":"10.1046\/j.1365-3016.2000.00255.x","article-title":"Racial differences in temporal changes in newborn viability and survival by gestational age","volume":"14","author":"Allen","year":"2000","journal-title":"Paediatr Perinat Epidemiol"},{"key":"10.1016\/j.ajog.2004.07.029_bib26","unstructured":"Schramm W. Data quality: new certificates. Association for Vital Records and Health Statistics\/Vital Statistics Cooperative Program Project Directors Meeting, May 1991, San Francisco, Calif."}],"container-title":["American Journal of Obstetrics and Gynecology"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0002937804007896?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0002937804007896?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2025,9,11]],"date-time":"2025-09-11T09:59:37Z","timestamp":1757584777000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S0002937804007896"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2005,3]]},"references-count":26,"journal-issue":{"issue":"3","published-print":{"date-parts":[[2005,3]]}},"alternative-id":["S0002937804007896"],"URL":"https:\/\/doi.org\/10.1016\/j.ajog.2004.07.029","relation":{},"ISSN":["0002-9378"],"issn-type":[{"value":"0002-9378","type":"print"}],"subject":[],"published":{"date-parts":[[2005,3]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"Risk factors for neonatal mortality among extremely-low-birth-weight infants","name":"articletitle","label":"Article Title"},{"value":"American Journal of Obstetrics and Gynecology","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/j.ajog.2004.07.029","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"Copyright \u00a9 2005 Elsevier Inc. All rights reserved.","name":"copyright","label":"Copyright"}]}}