{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,13]],"date-time":"2026-10-13T15:42:52Z","timestamp":1791906172939,"version":"4.3.4"},"reference-count":39,"publisher":"Elsevier BV","issue":"1","license":[{"start":{"date-parts":[[2026,7,1]],"date-time":"2026-07-01T00:00:00Z","timestamp":1782864000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2026,7,1]],"date-time":"2026-07-01T00:00:00Z","timestamp":1782864000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/legal\/tdmrep-license"},{"start":{"date-parts":[[2026,1,14]],"date-time":"2026-01-14T00:00:00Z","timestamp":1768348800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"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":[[2026,7]]},"DOI":"10.1016\/j.ajog.2026.01.008","type":"journal-article","created":{"date-parts":[[2026,1,17]],"date-time":"2026-01-17T00:23:13Z","timestamp":1768609393000},"page":"9-21","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":5,"title":["Predictive value of cervical length measured after 24 weeks for spontaneous preterm birth: systematic review and meta-analysis"],"prefix":"10.1016","volume":"235","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-1207-6494","authenticated-orcid":false,"given":"Ka Wang","family":"Cheung","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tiffany Sin-Tung","family":"Au","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tin Yan Phoebe","family":"Chao","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mimi Tin-Yan","family":"Seto","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"78","reference":[{"key":"10.1016\/j.ajog.2026.01.008_bib1","doi-asserted-by":"crossref","first-page":"675","DOI":"10.1136\/bmj.329.7467.675","article-title":"Epidemiology of preterm birth","volume":"329","author":"Tucker","year":"2004","journal-title":"BMJ"},{"key":"10.1016\/j.ajog.2026.01.008_bib2","doi-asserted-by":"crossref","first-page":"1725","DOI":"10.1016\/S0140-6736(16)31575-6","article-title":"Global, regional, national, and selected subnational levels of stillbirths, neonatal, infant, and under-5 mortality, 1980-2015: a systematic analysis for the Global Burden of Disease Study 2015","volume":"388","year":"2016","journal-title":"Lancet"},{"key":"10.1016\/j.ajog.2026.01.008_bib3","doi-asserted-by":"crossref","first-page":"445","DOI":"10.1016\/S0140-6736(11)61577-8","article-title":"Long-term neurodevelopmental outcomes after intrauterine and neonatal insults: a systematic review","volume":"379","author":"Mwaniki","year":"2012","journal-title":"Lancet"},{"key":"10.1016\/j.ajog.2026.01.008_bib4","doi-asserted-by":"crossref","first-page":"e680","DOI":"10.1016\/S2468-2667(23)00145-7","article-title":"Preterm birth and the risk of multimorbidity in adolescence: a multiregister-based cohort study","volume":"8","author":"Heikkila","year":"2023","journal-title":"Lancet Public Health"},{"issue":"Suppl 20","key":"10.1016\/j.ajog.2026.01.008_bib5","doi-asserted-by":"crossref","first-page":"8","DOI":"10.1046\/j.1471-0528.2003.00012.x","article-title":"Neonatal complications following preterm birth","volume":"110","author":"Ward","year":"2003","journal-title":"BJOG"},{"key":"10.1016\/j.ajog.2026.01.008_bib6","doi-asserted-by":"crossref","first-page":"1261","DOI":"10.1016\/S0140-6736(23)00878-4","article-title":"National, regional, and global estimates of preterm birth in 2020, with trends from 2010: a systematic analysis","volume":"402","author":"Ohuma","year":"2023","journal-title":"Lancet"},{"key":"10.1016\/j.ajog.2026.01.008_bib7","doi-asserted-by":"crossref","DOI":"10.1016\/j.ajogmf.2024.101282","article-title":"First-trimester and early-second-trimester transvaginal cervical length before 16 weeks among women with preterm and term birth: a systematic review and meta-analysis","volume":"6","author":"Cheung","year":"2024","journal-title":"Am J Obstet Gynecol MFM"},{"key":"10.1016\/j.ajog.2026.01.008_bib8","doi-asserted-by":"crossref","first-page":"500.e1","DOI":"10.1016\/j.ajog.2022.04.014","article-title":"Screening for spontaneous preterm birth by cervical length and shear-wave elastography in the first trimester of pregnancy","volume":"227","author":"Feng","year":"2022","journal-title":"Am J Obstet Gynecol"},{"key":"10.1016\/j.ajog.2026.01.008_bib9","doi-asserted-by":"crossref","first-page":"B2","DOI":"10.1016\/j.ajog.2024.05.006","article-title":"SMFM consult series #70: management of short cervix in individuals without a history of spontaneous preterm birth","volume":"231","author":"Biggio","year":"2024","journal-title":"Am J Obstet Gynecol"},{"key":"10.1016\/j.ajog.2026.01.008_bib10","doi-asserted-by":"crossref","first-page":"1340","DOI":"10.1001\/jama.286.11.1340","article-title":"Mid-trimester endovaginal sonography in women at high risk for spontaneous preterm birth","volume":"286","author":"Owen","year":"2001","journal-title":"JAMA"},{"key":"10.1016\/j.ajog.2026.01.008_bib11","doi-asserted-by":"crossref","first-page":"1178","DOI":"10.1111\/1471-0528.17003","article-title":"Cervical cerclage: green-top guideline no. 75","volume":"129","author":"Shennan","year":"2022","journal-title":"BJOG"},{"key":"10.1016\/j.ajog.2026.01.008_bib12","doi-asserted-by":"crossref","first-page":"e1","DOI":"10.1016\/j.ajog.2025.03.013","article-title":"Vaginal progesterone reduces the risk of preterm birth and adverse perinatal outcomes in singleton gestations with a midtrimester sonographic short cervix (<\/=25 mm): an updated individual patient data meta-analysis","volume":"233","author":"Romero","year":"2025","journal-title":"Am J Obstet Gynecol"},{"key":"10.1016\/j.ajog.2026.01.008_bib13","doi-asserted-by":"crossref","first-page":"1183","DOI":"10.1016\/S0140-6736(21)00217-8","article-title":"Evaluating Progestogens for Preventing Preterm birth International Collaborative (EPPPIC): meta-analysis of individual participant data from randomised controlled trials","volume":"397","year":"2021","journal-title":"Lancet"},{"key":"10.1016\/j.ajog.2026.01.008_bib14","doi-asserted-by":"crossref","first-page":"459","DOI":"10.1002\/uog.6332","article-title":"Reference range for cervical length throughout pregnancy: non-parametric LMS-based model applied to a large sample","volume":"33","author":"Salomon","year":"2009","journal-title":"Ultrasound Obstet Gynecol"},{"key":"10.1016\/j.ajog.2026.01.008_bib15","doi-asserted-by":"crossref","first-page":"1047","DOI":"10.1001\/jama.2017.1373","article-title":"Predictive accuracy of serial transvaginal cervical lengths and quantitative vaginal fetal fibronectin levels for spontaneous preterm birth among nulliparous women","volume":"317","author":"Esplin","year":"2017","journal-title":"JAMA"},{"key":"10.1016\/j.ajog.2026.01.008_bib16","doi-asserted-by":"crossref","first-page":"135","DOI":"10.1186\/1471-2288-14-135","article-title":"Estimating the sample mean and standard deviation from the sample size, median, range and\/or interquartile range","volume":"14","author":"Wan","year":"2014","journal-title":"BMC Med Res Methodol"},{"key":"10.1016\/j.ajog.2026.01.008_bib17","doi-asserted-by":"crossref","first-page":"32","DOI":"10.1002\/1097-0142(1950)3:1<32::AID-CNCR2820030106>3.0.CO;2-3","article-title":"Index for rating diagnostic tests","volume":"3","author":"Youden","year":"1950","journal-title":"Cancer"},{"key":"10.1016\/j.ajog.2026.01.008_bib18","doi-asserted-by":"crossref","first-page":"184","DOI":"10.1016\/0029-7844(95)00152-H","article-title":"Single transvaginal sonographic measurement of cervical length early in the third trimester as a predictor of preterm delivery","volume":"86","author":"Tongsong","year":"1995","journal-title":"Obstet Gynecol"},{"key":"10.1016\/j.ajog.2026.01.008_bib19","doi-asserted-by":"crossref","first-page":"225","DOI":"10.1002\/jcu.20027","article-title":"Comparison of transperineal and transvaginal sonography in predicting preterm delivery","volume":"32","author":"Yazici","year":"2004","journal-title":"J Clin Ultrasound"},{"key":"10.1016\/j.ajog.2026.01.008_bib20","doi-asserted-by":"crossref","first-page":"37","DOI":"10.1097\/01.AOG.0000192169.44775.76","article-title":"Transvaginal ultrasonography in the prediction of preterm birth after treatment for cervical intraepithelial neoplasia","volume":"107","author":"Crane","year":"2006","journal-title":"Obstet Gynecol"},{"key":"10.1016\/j.ajog.2026.01.008_bib21","doi-asserted-by":"crossref","first-page":"1124","DOI":"10.1016\/S1701-2163(16)34022-1","article-title":"Cervix length and relaxin as predictors of preterm birth","volume":"30","author":"Davies","year":"2008","journal-title":"J Obstet Gynaecol Can"},{"key":"10.1016\/j.ajog.2026.01.008_bib22","doi-asserted-by":"crossref","first-page":"565","DOI":"10.1007\/s00404-009-0957-8","article-title":"Cervicovaginal HCG and cervical length for prediction of preterm delivery in asymptomatic women at high risk for preterm delivery","volume":"280","author":"Adhikari","year":"2009","journal-title":"Arch Gynecol Obstet"},{"key":"10.1016\/j.ajog.2026.01.008_bib23","doi-asserted-by":"crossref","first-page":"1003","DOI":"10.1111\/1471-0528.12217","article-title":"Salivary progesterone as a biochemical marker to predict early preterm birth in asymptomatic high-risk women","volume":"120","author":"Priya","year":"2013","journal-title":"BJOG"},{"key":"10.1016\/j.ajog.2026.01.008_bib24","first-page":"1789","article-title":"Predictive role of transvaginal ultrasonographic measurement of cervical length at 34 weeks for late pre-term and late-term deliveries in nulliparous women","volume":"29","author":"Kokanali","year":"2016","journal-title":"J Matern Fetal Neonatal Med"},{"key":"10.1016\/j.ajog.2026.01.008_bib25","doi-asserted-by":"crossref","first-page":"3847","DOI":"10.1080\/14767058.2018.1482872","article-title":"Prediction of spontaneous preterm birth: salivary progesterone assay and transvaginal cervical length assessment after 24 weeks of gestation, another critical window of opportunity","volume":"32","author":"Abuelghar","year":"2019","journal-title":"J Matern Fetal Neonatal Med"},{"key":"10.1016\/j.ajog.2026.01.008_bib26","doi-asserted-by":"crossref","first-page":"288.e1","DOI":"10.1016\/j.ajog.2020.09.002","article-title":"Personalized assessment of cervical length improves prediction of spontaneous preterm birth: a standard and a percentile calculator","volume":"224","author":"Gudicha","year":"2021","journal-title":"Am J Obstet Gynecol"},{"key":"10.1016\/j.ajog.2026.01.008_bib27","doi-asserted-by":"crossref","first-page":"3402","DOI":"10.1080\/14767058.2020.1860934","article-title":"The value of measuring cervical length between 24 and 28 weeks of gestation for predicting the risk of late and post-term pregnancy","volume":"34","author":"Soysal","year":"2021","journal-title":"J Matern Fetal Neonatal Med"},{"key":"10.1016\/j.ajog.2026.01.008_bib28","doi-asserted-by":"crossref","first-page":"304","DOI":"10.1002\/ijgo.13629","article-title":"Uterocervical angle versus cervical length in the prediction of spontaneous preterm birth in singleton pregnancy","volume":"156","author":"Khamees","year":"2022","journal-title":"Int J Gynaecol Obstet"},{"key":"10.1016\/j.ajog.2026.01.008_bib29","doi-asserted-by":"crossref","first-page":"658","DOI":"10.1186\/s12884-023-05977-9","article-title":"Uterocervical angle versus cervical length in the prediction of spontaneous preterm birth in women with history of spontaneous preterm birth: a prospective observational study","volume":"23","author":"Elmaraghy","year":"2023","journal-title":"BMC Pregnancy Childbirth"},{"key":"10.1016\/j.ajog.2026.01.008_bib30","doi-asserted-by":"crossref","first-page":"1541","DOI":"10.1111\/aogs.14683","article-title":"Universal cervical length screening for preterm birth is not useful after 24 weeks of gestation","volume":"102","author":"Seravalli","year":"2023","journal-title":"Acta Obstet Gynecol Scand"},{"key":"10.1016\/j.ajog.2026.01.008_bib31","doi-asserted-by":"crossref","DOI":"10.1080\/14767058.2023.2201368","article-title":"Third-trimester cervical length assessment for the prediction of spontaneous late preterm birth","volume":"36","author":"Tsakiridis","year":"2023","journal-title":"J Matern Fetal Neonatal Med"},{"key":"10.1016\/j.ajog.2026.01.008_bib32","doi-asserted-by":"crossref","DOI":"10.1016\/j.ajogmf.2024.101476","article-title":"Predictive value of short cervix in early third trimester for preterm birth in women with normal mid-trimester cervical length","volume":"6","author":"Hong","year":"2024","journal-title":"Am J Obstet Gynecol MFM"},{"key":"10.1016\/j.ajog.2026.01.008_bib33","doi-asserted-by":"crossref","first-page":"2477","DOI":"10.1007\/s00404-024-07745-2","article-title":"Cervical length evolution in pregnancy and prediction of preterm delivery","volume":"310","author":"Souka","year":"2024","journal-title":"Arch Gynecol Obstet"},{"key":"10.1016\/j.ajog.2026.01.008_bib34","doi-asserted-by":"crossref","DOI":"10.1016\/j.ajogmf.2024.101476","article-title":"Predictive value of short cervix in early third trimester for preterm birth in women with normal mid-trimester cervical length","volume":"6","author":"Hong","year":"2024","journal-title":"Am J Obstet Gynecol MFM"},{"key":"10.1016\/j.ajog.2026.01.008_bib35","doi-asserted-by":"crossref","first-page":"181","DOI":"10.1111\/j.1651-2227.2010.02003.x","article-title":"Mortality in out-of-hospital premature births","volume":"100","author":"Jones","year":"2011","journal-title":"Acta Paediatr"},{"key":"10.1016\/j.ajog.2026.01.008_bib36","doi-asserted-by":"crossref","first-page":"423","DOI":"10.1002\/ijgo.14465","article-title":"The role of vaginal progesterone for preterm birth prevention in women with threatened labor and shortened cervix diagnosed after 24 weeks of pregnancy","volume":"161","author":"Kabiri","year":"2023","journal-title":"Int J Gynaecol Obstet"},{"key":"10.1016\/j.ajog.2026.01.008_bib37","doi-asserted-by":"crossref","DOI":"10.1136\/bmj-2021-064547","article-title":"Interventions to prevent spontaneous preterm birth in women with singleton pregnancy who are at high risk: systematic review and network meta-analysis","volume":"376","author":"Care","year":"2022","journal-title":"BMJ"},{"key":"10.1016\/j.ajog.2026.01.008_bib38","doi-asserted-by":"crossref","first-page":"789","DOI":"10.1016\/j.ajog.2015.06.015","article-title":"Predictive accuracy of changes in transvaginal sonographic cervical length over time for preterm birth: a systematic review and metaanalysis","volume":"213","author":"Conde-Agudelo","year":"2015","journal-title":"Am J Obstet Gynecol"},{"key":"10.1016\/j.ajog.2026.01.008_bib39","doi-asserted-by":"crossref","first-page":"760","DOI":"10.1126\/science.1251816","article-title":"Preterm labor: one syndrome, many causes","volume":"345","author":"Romero","year":"2014","journal-title":"Science"}],"container-title":["American Journal of Obstetrics and Gynecology"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0002937826000153?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0002937826000153?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2026,6,16]],"date-time":"2026-06-16T16:51:33Z","timestamp":1781628693000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S0002937826000153"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2026,7]]},"references-count":39,"journal-issue":{"issue":"1","published-print":{"date-parts":[[2026,7]]}},"alternative-id":["S0002937826000153"],"URL":"https:\/\/doi.org\/10.1016\/j.ajog.2026.01.008","relation":{},"ISSN":["0002-9378"],"issn-type":[{"value":"0002-9378","type":"print"}],"subject":[],"published":{"date-parts":[[2026,7]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"Predictive value of cervical length measured after 24 weeks for spontaneous preterm birth: systematic review and meta-analysis","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.2026.01.008","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"\u00a9 2026 The Author(s). Published by Elsevier Inc.","name":"copyright","label":"Copyright"}]}}