{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,8]],"date-time":"2026-01-08T09:47:47Z","timestamp":1767865667054,"version":"3.49.0"},"reference-count":22,"publisher":"Springer Science and Business Media LLC","issue":"4","license":[{"start":{"date-parts":[[2017,1,5]],"date-time":"2017-01-05T00:00:00Z","timestamp":1483574400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.springer.com\/tdm"},{"start":{"date-parts":[[2017,1,5]],"date-time":"2017-01-05T00:00:00Z","timestamp":1483574400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/www.springer.com\/tdm"}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["J Perinatol"],"published-print":{"date-parts":[[2017,4]]},"DOI":"10.1038\/jp.2016.241","type":"journal-article","created":{"date-parts":[[2017,1,5]],"date-time":"2017-01-05T14:29:18Z","timestamp":1483626558000},"page":"375-379","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":23,"title":["Anterior uterocervical angle measurement improves prediction of cerclage failure"],"prefix":"10.1038","volume":"37","author":[{"given":"J C","family":"Knight","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"E","family":"Tenbrink","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"J","family":"Sheng","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"A S","family":"Patil","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2017,1,5]]},"reference":[{"key":"BFjp2016241_CR1","first-page":"1","volume":"64","author":"JA Martin","year":"2015","unstructured":"Martin JA . Measuring gestational age in vital statistics data: transitioning to the obstetric estimate. Natl Vital Stat Rep 2015; 64: 1\u201365.","journal-title":"Natl Vital Stat Rep"},{"key":"BFjp2016241_CR2","volume-title":"Preterm birth: causes, consequences, and prevention","author":"RE Behrman","year":"2007","unstructured":"Behrman RE, Butler AS . Preterm birth: causes, consequences, and prevention. National Academies Press: Washington, DC, 2007."},{"key":"BFjp2016241_CR3","doi-asserted-by":"publisher","first-page":"462","DOI":"10.1056\/NEJMoa067815","volume":"357","author":"EB Fonseca","year":"2007","unstructured":"Fonseca EB, Celik E, Parra M, Singh M, Nicolaides KH, Fetal Medicine Foundation Second Trimester Screening Group. Progesterone and the risk of preterm birth among women with a short cervix. N Engl J Med 2007; 357: 462\u2013469.","journal-title":"N Engl J Med"},{"key":"BFjp2016241_CR4","doi-asserted-by":"publisher","first-page":"663","DOI":"10.1097\/AOG.0b013e31820ca847","volume":"117","author":"V Berghella","year":"2011","unstructured":"Berghella V, Rafael TJ, Szychowski JM, Rust OA, Owen J . Cerclage for short cervix on ultrasonography in women with singleton gestations and previous preterm birth: a meta-analysis. Obstet Gynecol 2011; 117: 663\u2013671.","journal-title":"Obstet Gynecol"},{"key":"BFjp2016241_CR5","doi-asserted-by":"publisher","first-page":"567","DOI":"10.1056\/NEJM199602293340904","volume":"334","author":"RB Newman","year":"1996","unstructured":"Newman RB, Goldenberg RL, Iams JD, Meis PJ, Mercer BM, Moawad AH et al. National Institute of Child Health and Human Development Maternal Fetal Medicine Unit Network. The length of the cervix and the risk of spontaneous premature delivery. N Engl J Med 1996; 334: 567\u2013577.","journal-title":"N Engl J Med"},{"key":"BFjp2016241_CR6","doi-asserted-by":"publisher","first-page":"181","DOI":"10.1097\/01.AOG.0000168435.17200.53","volume":"106","author":"V Berghella","year":"2005","unstructured":"Berghella V, Odibo AO, To MS, Rust OA, Althuisius SM . Cerclage for short cervix on ultrasonography: meta-analysis of trials using individual patient-level data. Obstet Gynecol 2005; 106: 181\u2013189.","journal-title":"Obstet Gynecol"},{"key":"BFjp2016241_CR7","doi-asserted-by":"publisher","first-page":"154","DOI":"10.1159\/000335686","volume":"31","author":"E Greco","year":"2012","unstructured":"Greco E, Gupta R, Syngelaki A, Poon LC, Nicolaides KH . First-trimester screening for spontaneous preterm delivery with maternal characteristics and cervical length. Fetal Diagn Ther 2012; 31: 154\u2013161.","journal-title":"Fetal Diagn Ther"},{"key":"BFjp2016241_CR8","doi-asserted-by":"publisher","first-page":"362","DOI":"10.1002\/uog.2773","volume":"27","author":"MS To","year":"2006","unstructured":"To MS, Skentou CA, Royston P, Yu CK, Nicolaides KH . Prediction of patient-specific risk of early preterm delivery using maternal history and sonographic measurement of cervical length: a population-based prospective study. Ultrasound Obstet Gynecol 2006; 27: 362\u2013367.","journal-title":"Ultrasound Obstet Gynecol"},{"key":"BFjp2016241_CR9","doi-asserted-by":"publisher","first-page":"487.e1","DOI":"10.1016\/j.ajog.2015.02.010","volume":"212","author":"TA Manuck","year":"2015","unstructured":"Manuck TA, Esplin MS, Biggio J, Bukowski R, Parry S, Zhang H et al. The phenotype of spontaneous preterm birth: application of a clinical phenotyping tool. Am J Obstet Gynecol 2015; 212: 487.e1\u2013487.e11.","journal-title":"Am J Obstet Gynecol"},{"key":"BFjp2016241_CR10","doi-asserted-by":"publisher","first-page":"377","DOI":"10.1002\/uog.14801","volume":"46","author":"N Sochacki-Wojcicka","year":"2015","unstructured":"Sochacki-Wojcicka N, Wojcicki J, Bomba-Opon D, Wielgos M . Anterior cervical angle as a new biophysical ultrasound marker for prediction of spontaneous preterm birth. Ultrasound Obstet Gynecol 2015; 46: 377\u2013378.","journal-title":"Ultrasound Obstet Gynecol"},{"issue":"3","key":"BFjp2016241_CR11","doi-asserted-by":"publisher","first-page":"376 e1","DOI":"10.1016\/j.ajog.2016.03.033","volume":"215","author":"M Dziadosz","year":"2016","unstructured":"Dziadosz M, Bennett TA, Dolin C, West Honart A, Pham A, Lee SS et al. Uterocervical angle: a novel ultrasound screening tool to predict spontaneous preterm birth. Am J Obstet Gynecol 2016; 215 (3): 376 e1\u2013376 e7.","journal-title":"Am J Obstet Gynecol"},{"issue":"365","key":"BFjp2016241_CR12","first-page":"e1","volume":"209","author":"JD Iams","year":"2013","unstructured":"Iams JD, Grobman WA, Lozitska A, Spong CY, Saade G, Mercer BM et al. Adherence to criteria for transvaginal ultrasound imaging and measurement of cervicallength. Am J Obstet Gynecol 2013; 209 (365): e1\u2013e5.","journal-title":"Am J Obstet Gynecol"},{"key":"BFjp2016241_CR13","doi-asserted-by":"crossref","unstructured":"Sheng JS, Schubert FP, Patil AS . Utility of volumetric assessment of cervical funneling to predict cerclage failure. J Matern Fetal Neonatal Med 2016 (e-pub ahead of print).","DOI":"10.1080\/14767058.2016.1201470"},{"key":"BFjp2016241_CR14","doi-asserted-by":"crossref","first-page":"390","DOI":"10.1002\/uog.12540","volume":"44","author":"B Arabin","year":"2013","unstructured":"Arabin B, Alfirevic Z . Cervical pessaries for prevention of spontaneous preterm births: Past, present and future. Ultrasound Obstet Gynecol 2013; 44: 390\u2013399.","journal-title":"Ultrasound Obstet Gynecol"},{"key":"BFjp2016241_CR15","doi-asserted-by":"publisher","first-page":"1800","DOI":"10.1016\/S0140-6736(12)60030-0","volume":"379","author":"M Goya","year":"2012","unstructured":"Goya M, Pratcorona L, Merced C, Rod\u00f3 C, Valle L, Romero A et alPesario Cervical para Evitar Prematuridad (PECEP) Trial Group. Cervical pessary in pregnant women with a short cervix (PECEP): an open-label randomized controlled trial. Lancet 2012; 379: 1800\u20131806. ?.","journal-title":"Lancet"},{"key":"BFjp2016241_CR16","doi-asserted-by":"publisher","first-page":"404","DOI":"10.1080\/10255842.2015.1033163","volume":"19","author":"M Fernandez","year":"2016","unstructured":"Fernandez M, House M, Jambawalikar S, Zork N, Vink J, Wapner R et al. Investigating the mechanical function of the cervix during pregnancy using finite element models derived from high-resolution 3D MRI. Comput Methods Biomech Biomed Engin 2016; 19: 404\u2013417.","journal-title":"Comput Methods Biomech Biomed Engin"},{"key":"BFjp2016241_CR17","doi-asserted-by":"crossref","first-page":"426","DOI":"10.1002\/uog.12507","volume":"42","author":"MM Cannie","year":"2013","unstructured":"Cannie MM, Dobrescu O, Gucciardo L, Strizek B, Ziane S, Sakkas E et al, Arabin cervical pessary in women at high risk of preterm birth: a magnetic resonance imaging observational follow-up study. Ultrasound Obstet Gynecol 2013; 42: 426\u2013433.","journal-title":"Ultrasound Obstet Gynecol"},{"key":"BFjp2016241_CR18","doi-asserted-by":"publisher","first-page":"1511","DOI":"10.1016\/j.jbiomech.2015.02.065","volume":"48","author":"KM Myers","year":"2015","unstructured":"Myers KM, Feltovich H, Mazza E, Vink J, Bajka M, Wapner RJ et al. The mechanical role of the cervix in pregnancy. J Biomech 2015; 48: 1511\u20131523.","journal-title":"J Biomech"},{"key":"BFjp2016241_CR19","doi-asserted-by":"publisher","first-page":"252","DOI":"10.1016\/j.jogc.2016.01.003","volume":"38","author":"EM Jalal","year":"2016","unstructured":"Jalal EM, Moretti F, Gruslin A . Predictors of outcomes of non elective cervical cerclages. J Obstetr Gynecol Can 2016; 38: 252\u2013257.","journal-title":"J Obstetr Gynecol Can"},{"key":"BFjp2016241_CR20","doi-asserted-by":"publisher","first-page":"372","DOI":"10.1097\/01.AOG.0000443276.68274.cc","volume":"123","author":"American College of Obstetrics and Gynecology Committee on Practice Bulletins-Obstetrics","year":"2014","unstructured":"American College of Obstetrics and Gynecology Committee on Practice Bulletins-Obstetrics. ACOG Practice Bulletin Number 142, February, 2014: Cerclage for the management of cervical insufficiency. Obstet Gynecol 2014; 123: 372\u2013379.","journal-title":"Obstet Gynecol"},{"key":"BFjp2016241_CR21","first-page":"565","volume":"101","author":"MF Terkildsen","year":"2003","unstructured":"Terkildsen MF, Parilla BV, Kumar P, Grobman WA . Factors associated with success of emergent second trimester cerclage. Obstet Gynecol 2003; 101: 565\u2013569.","journal-title":"Obstet Gynecol"},{"key":"BFjp2016241_CR22","doi-asserted-by":"publisher","first-page":"1","DOI":"10.1186\/s12884-016-0866-3","volume":"16","author":"S Pils","year":"2016","unstructured":"Pils S, Eppel W, Promberger R, Winter MP, Seemann R, Ott J . The predictive value of sequential cervical length screening in singleton pregnancies after cerclage: a retrospective cohort study. BMC Pregnancy Childbirth 2016; 16: 1\u20137.","journal-title":"BMC Pregnancy Childbirth"}],"container-title":["Journal of Perinatology"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/www.nature.com\/articles\/jp2016241.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/www.nature.com\/articles\/jp2016241","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/www.nature.com\/articles\/jp2016241.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,6,14]],"date-time":"2025-06-14T01:04:13Z","timestamp":1749863053000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.nature.com\/articles\/jp2016241"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2017,1,5]]},"references-count":22,"journal-issue":{"issue":"4","published-print":{"date-parts":[[2017,4]]}},"alternative-id":["BFjp2016241"],"URL":"https:\/\/doi.org\/10.1038\/jp.2016.241","relation":{},"ISSN":["0743-8346","1476-5543"],"issn-type":[{"value":"0743-8346","type":"print"},{"value":"1476-5543","type":"electronic"}],"subject":[],"published":{"date-parts":[[2017,1,5]]},"assertion":[{"value":"6 September 2016","order":1,"name":"received","label":"Received","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"7 November 2016","order":2,"name":"revised","label":"Revised","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"14 November 2016","order":3,"name":"accepted","label":"Accepted","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"5 January 2017","order":4,"name":"first_online","label":"First Online","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"The authors declare no conflict of interest.","order":1,"name":"Ethics","group":{"name":"EthicsHeading","label":"Competing interests"}}]}}