{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,29]],"date-time":"2026-10-29T20:14:44Z","timestamp":1793304884573,"version":"4.5.0"},"reference-count":65,"publisher":"Elsevier BV","license":[{"start":{"date-parts":[[2021,1,1]],"date-time":"2021-01-01T00:00:00Z","timestamp":1609459200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2021,1,1]],"date-time":"2021-01-01T00:00:00Z","timestamp":1609459200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/legal\/tdmrep-license"}],"content-domain":{"domain":["clinicalkey.com","clinicalkey.com.au","clinicalkey.es","clinicalkey.fr","clinicalkey.jp","elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["Best Practice & Research Clinical Obstetrics & Gynaecology"],"published-print":{"date-parts":[[2021,1]]},"DOI":"10.1016\/j.bpobgyn.2020.07.005","type":"journal-article","created":{"date-parts":[[2020,7,15]],"date-time":"2020-07-15T11:50:37Z","timestamp":1594813837000},"page":"92-100","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":277,"special_numbering":"C","title":["Advanced maternal age and adverse pregnancy outcomes"],"prefix":"10.1016","volume":"70","author":[{"given":"Alexander P.","family":"Frick","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"78","reference":[{"key":"10.1016\/j.bpobgyn.2020.07.005_bib1","series-title":"World fertility patterns 2015 data booklet","first-page":"1","author":"United Nations","year":"2015"},{"key":"10.1016\/j.bpobgyn.2020.07.005_bib2","doi-asserted-by":"crossref","first-page":"1136","DOI":"10.1016\/j.fertnstert.2015.03.004","article-title":"Reproduction at an advanced maternal age and maternal health","volume":"103","author":"Sauer","year":"2015","journal-title":"Fertil Steril"},{"key":"10.1016\/j.bpobgyn.2020.07.005_bib3","doi-asserted-by":"crossref","first-page":"1927","DOI":"10.1056\/NEJMp048087","article-title":"Advanced maternal age - how old is too old?","volume":"351","author":"Heffner","year":"2004","journal-title":"N\u00a0Engl J Med"},{"key":"10.1016\/j.bpobgyn.2020.07.005_bib4","first-page":"1","article-title":"Role of maternal age and pregnancy history in risk of miscarriage: prospective register based study","volume":"364","author":"Magnus","year":"2019","journal-title":"BMJ"},{"key":"10.1016\/j.bpobgyn.2020.07.005_bib5","doi-asserted-by":"crossref","first-page":"643","DOI":"10.1002\/pd.4833","article-title":"The maternal age-related first trimester risks for trisomy 21, 18 and 13 based on Danish first trimester data from 2005 to 2014","volume":"36","author":"Hartwig","year":"2016","journal-title":"Prenat Diagn"},{"key":"10.1016\/j.bpobgyn.2020.07.005_bib6","doi-asserted-by":"crossref","first-page":"457","DOI":"10.1097\/AOG.0000000000002504","article-title":"Risk of adverse pregnancy outcomes at advanced maternal age","volume":"131","author":"Frederiksen","year":"2018","journal-title":"Obstet Gynecol"},{"key":"10.1016\/j.bpobgyn.2020.07.005_bib7","doi-asserted-by":"crossref","first-page":"634","DOI":"10.1002\/uog.12494","article-title":"Maternal age and adverse pregnancy outcome: a cohort study","volume":"42","author":"Khalil","year":"2013","journal-title":"Ultrasound Obstet Gynecol"},{"key":"10.1016\/j.bpobgyn.2020.07.005_bib8","doi-asserted-by":"crossref","first-page":"1235","DOI":"10.1111\/1471-0528.14368","article-title":"Advanced maternal age increases the risk of very preterm birth, irrespective of parity: a population-based register study","volume":"124","author":"Waldenstr\u00f6m","year":"2017","journal-title":"BJOG An Int J Obstet Gynaecol"},{"key":"10.1016\/j.bpobgyn.2020.07.005_bib9","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"},{"key":"10.1016\/j.bpobgyn.2020.07.005_bib10","doi-asserted-by":"crossref","first-page":"727","DOI":"10.1097\/01.AOG.0000140682.63746.be","article-title":"Advanced maternal age and adverse perinatal outcome","volume":"104","author":"Jacobsson","year":"2004","journal-title":"Obstet Gynecol"},{"key":"10.1016\/j.bpobgyn.2020.07.005_bib11","doi-asserted-by":"crossref","first-page":"390.e1","DOI":"10.1016\/j.ajog.2018.08.034","article-title":"Maternal age and risk for adverse outcomes","volume":"219","author":"Sheen","year":"2018","journal-title":"Am J Obstet Gynecol"},{"key":"10.1016\/j.bpobgyn.2020.07.005_bib12","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1371\/journal.pone.0210655","article-title":"Cesarean section on a rise\u2014does advanced maternal age explain the increase? A population register-based study","volume":"14","author":"Rydahl","year":"2019","journal-title":"PLoS One"},{"key":"10.1016\/j.bpobgyn.2020.07.005_bib13","doi-asserted-by":"crossref","first-page":"764","DOI":"10.1016\/j.ajog.2006.06.019","article-title":"Maternal age and the risk of stillbirth throughout pregnancy in the United States","volume":"195","author":"Reddy","year":"2006","journal-title":"Am J Obstet Gynecol"},{"key":"10.1016\/j.bpobgyn.2020.07.005_bib14","doi-asserted-by":"crossref","first-page":"1708","DOI":"10.1136\/bmj.320.7251.1708","article-title":"Maternal age and fetal loss: population based register linkage study","volume":"320","author":"Andersen","year":"2000","journal-title":"Bmj"},{"key":"10.1016\/j.bpobgyn.2020.07.005_bib15","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1371\/journal.pone.0186287","article-title":"Advanced maternal age and adverse pregnancy outcomes: a systematic review and meta-analysis","volume":"12","author":"Lean","year":"2017","journal-title":"PLoS One"},{"key":"10.1016\/j.bpobgyn.2020.07.005_bib16","doi-asserted-by":"crossref","first-page":"361","DOI":"10.1016\/j.whi.2011.04.001","article-title":"Maternal marital status and the risk of stillbirth and infant death: a population-based cohort study on 40 million births in the United States","volume":"21","author":"Balayla","year":"2011","journal-title":"Wom Health Issues"},{"key":"10.1016\/j.bpobgyn.2020.07.005_bib17","doi-asserted-by":"crossref","first-page":"104","DOI":"10.1097\/AOG.0000000000000062","article-title":"Adverse pregnancy outcomes related to advanced maternal age compared with smoking and being overweight","volume":"123","author":"Waldenstr\u00f6m","year":"2014","journal-title":"Obstet Gynecol"},{"key":"10.1016\/j.bpobgyn.2020.07.005_bib18","doi-asserted-by":"crossref","first-page":"1","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"},{"key":"10.1016\/j.bpobgyn.2020.07.005_bib19","doi-asserted-by":"crossref","first-page":"1331","DOI":"10.1016\/S0140-6736(10)62233-7","article-title":"Major risk factors for stillbirth in high-income countries: a systematic review and meta-analysis","volume":"377","author":"Flenady","year":"2011","journal-title":"Lancet"},{"key":"10.1016\/j.bpobgyn.2020.07.005_bib20","doi-asserted-by":"crossref","first-page":"1602","DOI":"10.1080\/14767058.2017.1410793","article-title":"Maternal age over 40 years and pregnancy outcome: a hospital-based survey","volume":"32","author":"Marozio","year":"2019","journal-title":"J\u00a0Matern Neonatal Med"},{"key":"10.1016\/j.bpobgyn.2020.07.005_bib21","doi-asserted-by":"crossref","first-page":"85","DOI":"10.1007\/s00404-019-05386-4","article-title":"Does parity affect pregnancy outcomes in the elderly gravida?","volume":"301","author":"Shechter-Maor","year":"2020","journal-title":"Arch Gynecol Obstet"},{"key":"10.1016\/j.bpobgyn.2020.07.005_bib22","doi-asserted-by":"crossref","first-page":"513","DOI":"10.1056\/NEJMoa1800566","article-title":"Labor induction versus expectant management in low-risk nulliparous women","volume":"379","author":"Grobman","year":"2018","journal-title":"N\u00a0Engl J Med"},{"key":"10.1016\/j.bpobgyn.2020.07.005_bib23","doi-asserted-by":"crossref","first-page":"304","DOI":"10.1016\/j.ajog.2019.02.046","article-title":"Elective induction of labor at 39 weeks compared with expectant management: a meta-analysis of cohort studies","volume":"221","author":"Grobman","year":"2019","journal-title":"Am J Obstet Gynecol"},{"key":"10.1016\/j.bpobgyn.2020.07.005_bib24","article-title":"Induction of labour at 41 weeks versus expectant management and induction of labour at 42 weeks (Swedish Post-term Induction Study, SWEPIS): multicentre, open label, randomised, superiority trial","volume":"367","author":"Wennerholm","year":"2019","journal-title":"BMJ"},{"key":"10.1016\/j.bpobgyn.2020.07.005_bib25","doi-asserted-by":"crossref","first-page":"167","DOI":"10.1046\/j.1469-0705.1999.13030167.x","article-title":"Maternal age- and gestation-specific risk for trisomy 21","volume":"13","author":"Snijders","year":"1999","journal-title":"Ultrasound Obstet Gynecol"},{"key":"10.1016\/j.bpobgyn.2020.07.005_bib26","article-title":"Maternal age and gestational age-specific risk for chromosomal defects","author":"Snijders","year":"1995","journal-title":"Fetal Diagn Ther"},{"key":"10.1016\/j.bpobgyn.2020.07.005_bib27","doi-asserted-by":"crossref","DOI":"10.1002\/pd.2403","article-title":"The maternal age-specific live birth prevalence of trisomies 13 and 18 compared to trisomy 21 (Down syndrome)","author":"Savva","year":"2010","journal-title":"Prenat Diagn"},{"key":"10.1016\/j.bpobgyn.2020.07.005_bib28","doi-asserted-by":"crossref","first-page":"714","DOI":"10.1002\/uog.17283","article-title":"Accuracy of first-trimester combined test in screening for trisomies 21, 18 and 13","volume":"49","author":"Santorum","year":"2017","journal-title":"Ultrasound Obstet Gynecol"},{"key":"10.1016\/j.bpobgyn.2020.07.005_bib29","doi-asserted-by":"crossref","first-page":"302","DOI":"10.1002\/uog.17484","article-title":"Analysis of cell-free DNA in maternal blood in screening for aneuploidies: updated meta-analysis","volume":"50","author":"Gil","year":"2017","journal-title":"Ultrasound Obstet Gynecol"},{"key":"10.1016\/j.bpobgyn.2020.07.005_bib30","doi-asserted-by":"crossref","first-page":"645","DOI":"10.1007\/s00404-017-4459-9","article-title":"Principles of first trimester screening in the age of non-invasive prenatal diagnosis: screening for chromosomal abnormalities","volume":"296","author":"Kagan","year":"2017","journal-title":"Arch Gynecol Obstet"},{"key":"10.1016\/j.bpobgyn.2020.07.005_bib31","doi-asserted-by":"crossref","first-page":"45","DOI":"10.1002\/uog.15783","article-title":"Clinical implementation of routine screening for fetal trisomies in the UK NHS: cell-free DNA test contingent on results from first-trimester combined test","volume":"47","author":"Gil","year":"2016","journal-title":"Ultrasound Obstet Gynecol"},{"key":"10.1016\/j.bpobgyn.2020.07.005_bib32","doi-asserted-by":"crossref","first-page":"1056","DOI":"10.1038\/gim.2016.97","article-title":"Noninvasive prenatal screening for fetal aneuploidy, 2016 update: a position statement of the American College of Medical Genetics and Genomics","volume":"18","author":"Gregg","year":"2016","journal-title":"Genet Med"},{"key":"10.1016\/j.bpobgyn.2020.07.005_bib33","doi-asserted-by":"crossref","first-page":"1589","DOI":"10.1056\/NEJMoa1407349","article-title":"Cell-free DNA analysis for noninvasive examination of trisomy","volume":"372","author":"Norton","year":"2015","journal-title":"N\u00a0Engl J Med"},{"key":"10.1016\/j.bpobgyn.2020.07.005_bib34","first-page":"645","article-title":"Should cell-free DNA testing be used in pregnancy with increased fetal nuchal translucency?","author":"Miranda","year":"2019","journal-title":"Ultrasound Obstet Gynecol"},{"key":"10.1016\/j.bpobgyn.2020.07.005_bib35","doi-asserted-by":"crossref","first-page":"468","DOI":"10.1002\/uog.20844","article-title":"Diagnosis of fetal non-chromosomal abnormalities on routine ultrasound examination at 11\u201313 weeks' gestation","volume":"54","author":"Syngelaki","year":"2019","journal-title":"Ultrasound Obstet Gynecol"},{"key":"10.1016\/j.bpobgyn.2020.07.005_bib36","doi-asserted-by":"crossref","first-page":"437","DOI":"10.1002\/uog.18905","article-title":"First-trimester risk assessment based on ultrasound and cell-free DNA vs combined screening: a randomized controlled trial","volume":"51","author":"Kagan","year":"2018","journal-title":"Ultrasound Obstet Gynecol"},{"key":"10.1016\/j.bpobgyn.2020.07.005_bib37","doi-asserted-by":"crossref","first-page":"650","DOI":"10.1002\/uog.14880","article-title":"Genomic microarray in fetuses with increased nuchal translucency and normal karyotype: a systematic review and meta-analysis","volume":"46","author":"Grande","year":"2015","journal-title":"Ultrasound Obstet Gynecol"},{"key":"10.1016\/j.bpobgyn.2020.07.005_bib38","doi-asserted-by":"crossref","first-page":"715","DOI":"10.1002\/uog.18928","article-title":"Diagnostic yield of chromosomal microarray analysis in fetuses with isolated increased nuchal translucency: a French multicenter study","volume":"52","author":"Egloff","year":"2018","journal-title":"Ultrasound Obstet Gynecol"},{"key":"10.1016\/j.bpobgyn.2020.07.005_bib39","doi-asserted-by":"crossref","first-page":"442","DOI":"10.1002\/uog.20353","article-title":"Risk of miscarriage following amniocentesis or chorionic villus sampling: systematic review of literature and updated meta-analysis","volume":"54","author":"Salomon","year":"2019","journal-title":"Ultrasound Obstet Gynecol"},{"key":"10.1016\/j.bpobgyn.2020.07.005_bib40","doi-asserted-by":"crossref","first-page":"38","DOI":"10.1002\/uog.15820","article-title":"Risk of fetal loss associated with invasive testing following combined first-trimester screening for Down syndrome: a national cohort of 147 987 singleton pregnancies","volume":"47","author":"Wulff","year":"2016","journal-title":"Ultrasound Obstet Gynecol"},{"key":"10.1016\/j.bpobgyn.2020.07.005_bib41","doi-asserted-by":"crossref","first-page":"527","DOI":"10.1016\/0140-6736(91)91306-F","article-title":"Maternal age and birth defects: a population study","volume":"337","author":"Baird","year":"1991","journal-title":"Lancet"},{"key":"10.1016\/j.bpobgyn.2020.07.005_bib42","first-page":"701","article-title":"Maternal age and malformations in singleton births","volume":"96","author":"Hollier","year":"2000","journal-title":"Obstet Gynecol"},{"key":"10.1016\/j.bpobgyn.2020.07.005_bib43","first-page":"217","article-title":"Advanced maternal age and the risk of major congenital anomalies","volume":"34","author":"Goetzinger","year":"2017","journal-title":"Am J Perinatol"},{"key":"10.1016\/j.bpobgyn.2020.07.005_bib44","doi-asserted-by":"crossref","first-page":"325","DOI":"10.1055\/s-2006-947164","article-title":"Advanced maternal age is an independent risk factor for intrauterine growth restriction","volume":"23","author":"Odibo","year":"2006","journal-title":"Am J Perinatol"},{"key":"10.1016\/j.bpobgyn.2020.07.005_bib45","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1038\/s41598-017-09814-w","article-title":"Placental dysfunction underlies increased risk of fetal growth restriction and stillbirth in advanced maternal age women","volume":"7","author":"Lean","year":"2017","journal-title":"Sci Rep"},{"key":"10.1016\/j.bpobgyn.2020.07.005_bib46","doi-asserted-by":"crossref","first-page":"486.e1","DOI":"10.1016\/j.ajog.2019.01.227","article-title":"Prediction of small for gestational age neonates: screening by maternal factors, fetal biometry, and biomarkers at 35\u201337 weeks' gestation","volume":"220","author":"Ciobanu","year":"2019","journal-title":"Am J Obstet Gynecol"},{"key":"10.1016\/j.bpobgyn.2020.07.005_bib47","doi-asserted-by":"crossref","first-page":"2089","DOI":"10.1016\/S0140-6736(15)00131-2","article-title":"Screening for fetal growth restriction with universal third trimester ultrasonography in nulliparous women in the Pregnancy Outcome Prediction (POP) study: a prospective cohort study","volume":"386","author":"Sovio","year":"2015","journal-title":"Lancet"},{"key":"10.1016\/j.bpobgyn.2020.07.005_bib48","first-page":"340","article-title":"Effect of maternal age on the risk of preterm birth: a large cohort study","volume":"73","author":"Fuchs","year":"2018","journal-title":"PLoS One"},{"key":"10.1016\/j.bpobgyn.2020.07.005_bib49","doi-asserted-by":"crossref","first-page":"565","DOI":"10.1136\/bmj.38380.674340.E0","article-title":"Risk factors for pre-eclampsia at antenatal booking: systematic review of controlled studies","volume":"330","author":"Duckitt","year":"2005","journal-title":"Br Med J"},{"key":"10.1016\/j.bpobgyn.2020.07.005_bib50","article-title":"Clinical risk factors for pre-eclampsia determined in early pregnancy: systematic review and meta-analysis of large cohort studies","volume":"353","author":"Bartsch","year":"2016","journal-title":"BMJ"},{"key":"10.1016\/j.bpobgyn.2020.07.005_bib51","doi-asserted-by":"crossref","first-page":"103.e1","DOI":"10.1016\/j.ajog.2015.08.034","article-title":"Competing risks model in screening for preeclampsia by maternal factors and biomarkers at 11-13 weeks gestation","volume":"214","author":"O'Gorman","year":"2016","journal-title":"Am J Obstet Gynecol"},{"key":"10.1016\/j.bpobgyn.2020.07.005_bib52","doi-asserted-by":"crossref","first-page":"199.e1","DOI":"10.1016\/j.ajog.2018.11.1087","article-title":"Predictive performance of the competing risk model in screening for preeclampsia","volume":"220","author":"Wright","year":"2019","journal-title":"Am J Obstet Gynecol"},{"key":"10.1016\/j.bpobgyn.2020.07.005_bib53","doi-asserted-by":"crossref","first-page":"743","DOI":"10.1002\/uog.19039","article-title":"Comparison of diagnostic accuracy of early screening for pre-eclampsia by NICE guidelines and a method combining maternal factors and biomarkers: results of SPREE","volume":"51","author":"Tan","year":"2018","journal-title":"Ultrasound Obstet Gynecol"},{"key":"10.1016\/j.bpobgyn.2020.07.005_bib54","doi-asserted-by":"crossref","first-page":"186","DOI":"10.1002\/uog.19112","article-title":"Screening for pre-eclampsia by maternal factors and biomarkers at 11\u201313 weeks' gestation","volume":"52","author":"Tan","year":"2018","journal-title":"Ultrasound Obstet Gynecol"},{"key":"10.1016\/j.bpobgyn.2020.07.005_bib55","doi-asserted-by":"crossref","first-page":"613","DOI":"10.1056\/NEJMoa1704559","article-title":"Aspirin versus placebo in pregnancies at high risk for preterm preeclampsia","volume":"377","author":"Rolnik","year":"2017","journal-title":"N\u00a0Engl J Med"},{"key":"10.1016\/j.bpobgyn.2020.07.005_bib56","doi-asserted-by":"crossref","first-page":"341","DOI":"10.1016\/j.diabres.2013.10.012","article-title":"Diagnostic criteria and classification of hyperglycaemia first detected in pregnancy: a World Health Organization Guideline","volume":"103","year":"2014","journal-title":"Diabetes Res Clin Pract"},{"key":"10.1016\/j.bpobgyn.2020.07.005_bib57","doi-asserted-by":"crossref","first-page":"353","DOI":"10.1530\/EJE-19-0117","article-title":"Risk factor screening for gestational diabetes mellitus based on the 2013 WHO criteria","volume":"180","author":"Benhalima","year":"2019","journal-title":"Eur J Endocrinol"},{"key":"10.1016\/j.bpobgyn.2020.07.005_bib58","doi-asserted-by":"crossref","first-page":"1123","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"},{"key":"10.1016\/j.bpobgyn.2020.07.005_bib59","doi-asserted-by":"crossref","first-page":"1642","DOI":"10.1111\/1471-0528.12962","article-title":"Maternal age and emergency operative deliveries at term: a population-based registry study among low-risk primiparous women","volume":"122","author":"Herstad","year":"2015","journal-title":"BJOG An Int J Obstet Gynaecol"},{"key":"10.1016\/j.bpobgyn.2020.07.005_bib60","doi-asserted-by":"crossref","first-page":"1195","DOI":"10.1111\/aogs.13614","article-title":"Delivery outcome after trial of labor in nulliparous women 40 years or older\u2014a nationwide population-based study","volume":"98","author":"Ankarcrona","year":"2019","journal-title":"Acta Obstet Gynecol Scand"},{"key":"10.1016\/j.bpobgyn.2020.07.005_bib61","doi-asserted-by":"crossref","first-page":"219","DOI":"10.1111\/j.1523-536X.2010.00409.x","article-title":"Advanced maternal age and the risk of cesarean birth: a systematic review","volume":"37","author":"Bayrampour","year":"2010","journal-title":"Birth"},{"key":"10.1016\/j.bpobgyn.2020.07.005_bib62","doi-asserted-by":"crossref","first-page":"1184","DOI":"10.1097\/AOG.0000000000000017","article-title":"Obstetric complications, neonatal morbidity, and indications for cesarean delivery by maternal age","volume":"122","author":"Timofeev","year":"2013","journal-title":"Obstet Gynecol"},{"key":"10.1016\/j.bpobgyn.2020.07.005_bib63","doi-asserted-by":"crossref","first-page":"1063","DOI":"10.1111\/aogs.13167","article-title":"Risk of labor dystocia increases with maternal age irrespective of parity: a population-based register study","volume":"96","author":"Waldenstr\u00f6m","year":"2017","journal-title":"Acta Obstet Gynecol Scand"},{"key":"10.1016\/j.bpobgyn.2020.07.005_bib64","doi-asserted-by":"crossref","first-page":"1229","DOI":"10.1177\/1933719115572483","article-title":"Maternal age and contractility of human myometrium in pregnancy","volume":"22","author":"Crankshaw","year":"2015","journal-title":"Reprod Sci"},{"key":"10.1016\/j.bpobgyn.2020.07.005_bib65","doi-asserted-by":"crossref","first-page":"1","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"}],"container-title":["Best Practice & Research Clinical Obstetrics & Gynaecology"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S1521693420301127?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S1521693420301127?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2025,10,26]],"date-time":"2025-10-26T17:11:31Z","timestamp":1761498691000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S1521693420301127"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2021,1]]},"references-count":65,"alternative-id":["S1521693420301127"],"URL":"https:\/\/doi.org\/10.1016\/j.bpobgyn.2020.07.005","relation":{},"ISSN":["1521-6934"],"issn-type":[{"value":"1521-6934","type":"print"}],"subject":[],"published":{"date-parts":[[2021,1]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"Advanced maternal age and adverse pregnancy outcomes","name":"articletitle","label":"Article Title"},{"value":"Best Practice & Research Clinical Obstetrics & Gynaecology","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/j.bpobgyn.2020.07.005","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"\u00a9 2020 Published by Elsevier Ltd.","name":"copyright","label":"Copyright"}]}}