{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,7]],"date-time":"2026-05-07T12:08:01Z","timestamp":1778155681214,"version":"3.51.4"},"reference-count":30,"publisher":"Elsevier BV","issue":"3","license":[{"start":{"date-parts":[[2018,6,1]],"date-time":"2018-06-01T00:00:00Z","timestamp":1527811200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"}],"content-domain":{"domain":["womenandbirth.org","clinicalkey.com","clinicalkey.com.au","elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["Women and Birth"],"published-print":{"date-parts":[[2018,6]]},"DOI":"10.1016\/j.wombi.2017.09.004","type":"journal-article","created":{"date-parts":[[2017,9,19]],"date-time":"2017-09-19T12:17:21Z","timestamp":1505823441000},"page":"e190-e196","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":9,"title":["The impact of delayed maternity on foetal growth in Spain: An assessment by population attributable fraction"],"prefix":"10.1016","volume":"31","author":[{"given":"Carlos","family":"Varea","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jos\u00e9 Manuel","family":"Ter\u00e1n","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Cristina","family":"Bernis","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Barry","family":"Bogin","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"78","reference":[{"issue":"10\/11","key":"10.1016\/j.wombi.2017.09.004_bib0005","first-page":"479","article-title":"Pregnancy outcome in nulliparous women at age >35 in comparison to younger nulliparous women","volume":"28","author":"Panagopoulos","year":"2006","journal-title":"G Ital Ostet Ginecol"},{"issue":"1","key":"10.1016\/j.wombi.2017.09.004_bib0010","doi-asserted-by":"crossref","first-page":"67","DOI":"10.1046\/j.1365-3016.2002.00375.x","article-title":"Delayed maternity and risk at delivery","volume":"16","author":"Astolfi","year":"2002","journal-title":"Paediatr Perinat Epidemiol"},{"key":"10.1016\/j.wombi.2017.09.004_bib0015","series-title":"Health at a glance 2015: OECD indicators","author":"OECD","year":"2015"},{"issue":"2","key":"10.1016\/j.wombi.2017.09.004_bib0020","first-page":"210","article-title":"Maternal age, obstetric complications, and the outcome of pregnancy","volume":"61","author":"Naeye","year":"1983","journal-title":"Obstet Gynecol"},{"issue":"1","key":"10.1016\/j.wombi.2017.09.004_bib0025","doi-asserted-by":"crossref","first-page":"46","DOI":"10.1002\/uog.908","article-title":"Effect of parity on second-trimester uterine artery Doppler flow velocity and waveforms","volume":"23","author":"Prefumo","year":"2004","journal-title":"Ultrasound Obstet Gynecol"},{"issue":"1","key":"10.1016\/j.wombi.2017.09.004_bib0030","doi-asserted-by":"crossref","first-page":"67","DOI":"10.1093\/humupd\/dms043","article-title":"The ageing ovary and uterus: new biological insights","volume":"19","author":"Nelson","year":"2013","journal-title":"Hum Reprod Update"},{"issue":"7","key":"10.1016\/j.wombi.2017.09.004_bib0035","doi-asserted-by":"crossref","first-page":"e144","DOI":"10.1371\/journal.pmed.0050144","article-title":"The effect of delaying childbirth on primary cesarean section rates","volume":"5","author":"Smith","year":"2008","journal-title":"PLoS Med"},{"issue":"5","key":"10.1016\/j.wombi.2017.09.004_bib0040","doi-asserted-by":"crossref","first-page":"479","DOI":"10.1016\/j.midw.2012.04.001","article-title":"Maternal age \u226545 years and maternal and perinatal outcomes: a review of the evidence","volume":"29","author":"Carolan","year":"2013","journal-title":"Midwifery"},{"issue":"6","key":"10.1016\/j.wombi.2017.09.004_bib0045","doi-asserted-by":"crossref","first-page":"793","DOI":"10.1016\/j.midw.2010.07.006","article-title":"Advanced maternal age and adverse perinatal outcome: a review of the evidence","volume":"27","author":"Carolan","year":"2011","journal-title":"Midwifery"},{"issue":"2","key":"10.1016\/j.wombi.2017.09.004_bib0050","doi-asserted-by":"crossref","first-page":"e56583","DOI":"10.1371\/journal.pone.0056583","article-title":"Advanced maternal age and adverse pregnancy outcome: evidence from a large contemporary cohort","volume":"8","author":"Kenny","year":"2013","journal-title":"PLoS One"},{"issue":"10","key":"10.1016\/j.wombi.2017.09.004_bib0055","doi-asserted-by":"crossref","first-page":"e0164462","DOI":"10.1371\/journal.pone.0164462","article-title":"Risk of adverse obstetric and neonatal outcomes by maternal age: quantifying individual and population level risk using routine UK maternity data","volume":"11","author":"Oakley","year":"2016","journal-title":"PLoS One"},{"key":"10.1016\/j.wombi.2017.09.004_bib0060","series-title":"Demography report","author":"European Commission","year":"2015"},{"issue":"2","key":"10.1016\/j.wombi.2017.09.004_bib0065","doi-asserted-by":"crossref","first-page":"169","DOI":"10.3109\/03014460.2015.1131847","article-title":"Is the economic crisis affecting birth outcome in Spain? Evaluation of temporal trend in underweight at birth (2003\u20132012)","volume":"43","author":"Varea","year":"2016","journal-title":"Ann Hum Biol"},{"issue":"4","key":"10.1016\/j.wombi.2017.09.004_bib0070","doi-asserted-by":"crossref","first-page":"310","DOI":"10.1111\/j.1365-3016.2012.01287.x","article-title":"The quality of vital statistics for studying perinatal health: the Spanish case","volume":"26","author":"Ju\u00e1rez","year":"2012","journal-title":"Paediatr Perinat Epidemiol"},{"issue":"5","key":"10.1016\/j.wombi.2017.09.004_bib0075","doi-asserted-by":"crossref","first-page":"918","DOI":"10.1007\/s10995-012-1079-7","article-title":"Labor management and mode of delivery among migrant and Spanish women: does the variability reflect differences in obstetric decisions according to ethnic origin?","volume":"17","author":"Bernis","year":"2013","journal-title":"Matern Child Health J"},{"issue":"4","key":"10.1016\/j.wombi.2017.09.004_bib0080","doi-asserted-by":"crossref","first-page":"319","DOI":"10.1016\/j.anpedi.2009.02.001","article-title":"Impacto de las t\u00e9cnicas de reproducci\u00f3n asistida en la salud del reci\u00e9n nacido","volume":"70","author":"Caba\u00f1as","year":"2009","journal-title":"An Pediatr (Barc)"},{"issue":"2","key":"10.1016\/j.wombi.2017.09.004_bib0085","doi-asserted-by":"crossref","first-page":"116","DOI":"10.1016\/j.gaceta.2016.09.016","article-title":"New birthweight charts according to parity and type of delivery for the Spanish population","volume":"31","author":"Ter\u00e1n","year":"2017","journal-title":"Gac Sanit"},{"key":"10.1016\/j.wombi.2017.09.004_bib0090","series-title":"Modern epidemiology","first-page":"128","article-title":"Validity in epidemiologic studies","author":"Rothman","year":"2008"},{"issue":"2","key":"10.1016\/j.wombi.2017.09.004_bib0095","doi-asserted-by":"crossref","first-page":"572","DOI":"10.1093\/humrep\/14.2.572B","article-title":"Selective cost of delayed childbearing","volume":"14","author":"Astolfi","year":"1999","journal-title":"Hum Reprod"},{"issue":"5 Pt. 1","key":"10.1016\/j.wombi.2017.09.004_bib0100","doi-asserted-by":"crossref","first-page":"983","DOI":"10.1097\/01.AOG.0000158118.75532.51","article-title":"Impact of maternal age on obstetric outcome","volume":"105","author":"Cleary-Goldman","year":"2005","journal-title":"Obstet Gynecol"},{"issue":"Suppl. 3","key":"10.1016\/j.wombi.2017.09.004_bib0105","doi-asserted-by":"crossref","first-page":"S2","DOI":"10.1186\/1471-2458-13-S3-S2","article-title":"The associations of parity and maternal age with small-for-gestational-age, preterm, and neonatal and infant mortality: a meta-analysis","volume":"13","author":"Kozuki","year":"2013","journal-title":"BMC Public Health"},{"issue":"12","key":"10.1016\/j.wombi.2017.09.004_bib0110","doi-asserted-by":"crossref","first-page":"e114843","DOI":"10.1371\/journal.pone.0114843","article-title":"Risk assessment of adverse birth outcomes in relation to maternal age","volume":"9","author":"Weng","year":"2014","journal-title":"PLoS One"},{"issue":"1","key":"10.1016\/j.wombi.2017.09.004_bib0115","first-page":"121","article-title":"Reducing low birth weight: prioritizing action to address modifiable risk factors","volume":"39","author":"Johnson","year":"2017","journal-title":"J Public Health"},{"issue":"10","key":"10.1016\/j.wombi.2017.09.004_bib0120","doi-asserted-by":"crossref","first-page":"631","DOI":"10.1038\/sj.jp.7211378","article-title":"Low birth weight and preterm births: etiologic fraction attributable to prenatal drug exposure","volume":"25","author":"Bada","year":"2005","journal-title":"J Perinatol"},{"issue":"2","key":"10.1016\/j.wombi.2017.09.004_bib0125","doi-asserted-by":"crossref","first-page":"140","DOI":"10.1111\/j.1365-3016.2009.01085.x","article-title":"Population-attributable risk of low birthweight related to PM10 pollution in seven Korean cities","volume":"24","author":"Seo","year":"2010","journal-title":"Paediatr Perinat Epidemiol"},{"issue":"5","key":"10.1016\/j.wombi.2017.09.004_bib0130","doi-asserted-by":"crossref","first-page":"421","DOI":"10.1111\/ppe.12300","article-title":"Demographic, medical, and psychosocial predictors of pregnancy anxiety","volume":"30","author":"Dunkel Schetter","year":"2016","journal-title":"Paediatr Perinat Epidemiol"},{"issue":"2","key":"10.1016\/j.wombi.2017.09.004_bib0135","doi-asserted-by":"crossref","first-page":"265","DOI":"10.1016\/j.ehb.2004.04.005","article-title":"The relationship between maternal characteristics, birth weight and pre-term delivery: evidence from Germany at the end of the 20th century","volume":"2","author":"Voight","year":"2004","journal-title":"Econ Hum Biol"},{"issue":"2","key":"10.1016\/j.wombi.2017.09.004_bib0140","first-page":"200","article-title":"Maternal age: an independent risk factor for cesarean delivery","volume":"81","author":"Peipert","year":"1993","journal-title":"Obstet Gynecol"},{"issue":"1","key":"10.1016\/j.wombi.2017.09.004_bib0145","doi-asserted-by":"crossref","first-page":"8","DOI":"10.1053\/j.semperi.2006.01.009","article-title":"Changes in the gestational age distribution among U.S. singleton births: impact on rates of late preterm birth, 1992 to 2002","volume":"30","author":"Davidoff","year":"2006","journal-title":"Semin Perinatol"},{"issue":"3","key":"10.1016\/j.wombi.2017.09.004_bib0150","doi-asserted-by":"crossref","first-page":"121","DOI":"10.1016\/j.wombi.2007.05.004","article-title":"The project: having a baby over 35 years","volume":"20","author":"Carolan","year":"2007","journal-title":"Women Birth"}],"container-title":["Women and Birth"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S1871519217303153?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S1871519217303153?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2018,6,16]],"date-time":"2018-06-16T08:30:48Z","timestamp":1529137848000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S1871519217303153"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2018,6]]},"references-count":30,"journal-issue":{"issue":"3","published-print":{"date-parts":[[2018,6]]}},"alternative-id":["S1871519217303153"],"URL":"https:\/\/doi.org\/10.1016\/j.wombi.2017.09.004","relation":{},"ISSN":["1871-5192"],"issn-type":[{"value":"1871-5192","type":"print"}],"subject":[],"published":{"date-parts":[[2018,6]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"The impact of delayed maternity on foetal growth in Spain: An assessment by population attributable fraction","name":"articletitle","label":"Article Title"},{"value":"Women and Birth","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/j.wombi.2017.09.004","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"\u00a9 2017 Australian College of Midwives. Published by Elsevier Ltd. All rights reserved.","name":"copyright","label":"Copyright"}]}}