{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,5]],"date-time":"2026-10-05T18:03:43Z","timestamp":1791223423588,"version":"4.1.0"},"reference-count":32,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2015,10,28]],"date-time":"2015-10-28T00:00:00Z","timestamp":1445990400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["obgyn.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["BJOG"],"published-print":{"date-parts":[[2016,1]]},"abstract":"<jats:sec><jats:title>Background<\/jats:title><jats:p>The possibility to predict the delivery date is a question frequently raised by pregnant women. However, a clinician has currently little to predict when a woman at term will deliver.<\/jats:p><\/jats:sec><jats:sec><jats:title>Objective<\/jats:title><jats:p>To evaluate the predictive accuracy of transvaginal ultrasound (<jats:styled-content style=\"fixed-case\">TVU<\/jats:styled-content>) cervical length (<jats:styled-content style=\"fixed-case\">CL<\/jats:styled-content>) for spontaneous onset of labour in singleton gestation enrolled at term by a meta\u2010analysis.<\/jats:p><\/jats:sec><jats:sec><jats:title>Search strategy<\/jats:title><jats:p>We performed a literature search in electronic databases.<\/jats:p><\/jats:sec><jats:sec><jats:title>Selection criteria<\/jats:title><jats:p>We included only studies assessing the accuracy of <jats:styled-content style=\"fixed-case\">TVU CL<\/jats:styled-content> in prediction of spontaneous onset of labour in singleton gestations with vertex presentation who were enrolled at term.<\/jats:p><\/jats:sec><jats:sec><jats:title>Data collection and analysis<\/jats:title><jats:p>The primary outcome was the accuracy of <jats:styled-content style=\"fixed-case\">CL<\/jats:styled-content> for prediction of spontaneous labour within 7\u00a0days. Pooled sensitivities and specificities were calculated.<\/jats:p><\/jats:sec><jats:sec><jats:title>Main results<\/jats:title><jats:p>Five studies including 735 singleton gestations were included. For the prediction of spontaneous labour within 7\u00a0days for <jats:styled-content style=\"fixed-case\">CL<\/jats:styled-content> &lt;30\u00a0mm the pooled sensitivity was 64% and pooled specificity was 60%. The higher the <jats:styled-content style=\"fixed-case\">CL<\/jats:styled-content>, the better the sensitivity; the lower the <jats:styled-content style=\"fixed-case\">CL<\/jats:styled-content>, the better the specificity. A woman with a singleton gestation at term and a <jats:styled-content style=\"fixed-case\">TVU CL<\/jats:styled-content> of 30\u00a0mm has a &lt;50% chance of delivering within 7\u00a0days, while one with a <jats:styled-content style=\"fixed-case\">TVU CL<\/jats:styled-content> of 10\u00a0mm has an over 85% chance of delivery within 7\u00a0days.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p><jats:styled-content style=\"fixed-case\">TVU CL<\/jats:styled-content> at term has moderate value in predicting the onset of spontaneous labour. A woman with a <jats:styled-content style=\"fixed-case\">TVU CL<\/jats:styled-content> of 10\u00a0mm or less has a high chance of delivering within a week.<\/jats:p><\/jats:sec><jats:sec><jats:title>Tweetable abstract<\/jats:title><jats:p>Cervical length at term has moderate value in predicting the onset of spontaneous labour.<\/jats:p><\/jats:sec>","DOI":"10.1111\/1471-0528.13724","type":"journal-article","created":{"date-parts":[[2015,10,22]],"date-time":"2015-10-22T05:51:38Z","timestamp":1445493098000},"page":"16-22","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":44,"title":["Transvaginal ultrasound cervical length for prediction of spontaneous labour at term: a systematic review and meta\u2010analysis"],"prefix":"10.1111","volume":"123","author":[{"given":"G","family":"Saccone","sequence":"first","affiliation":[{"name":"Department of Neuroscience, Reproductive Sciences and Dentistry School of Medicine University of Naples Federico II Naples Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"B","family":"Simonetti","sequence":"additional","affiliation":[{"name":"Department of Law, Economics, Management and Quantitative Methods University of Sannio Benevento Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"V","family":"Berghella","sequence":"additional","affiliation":[{"name":"Division of Maternal\u2010Fetal Medicine Department of Obstetrics and Gynecology Sidney Kimmel Medical College of Thomas Jefferson University Philadelphia PA USA"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2015,10,28]]},"reference":[{"key":"e_1_2_6_2_1","first-page":"836","article-title":"Committee opinion no. 611: method for estimating due date","volume":"124","author":"The American College of Obstetricians and Gynecologists. 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