{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,4]],"date-time":"2025-10-04T07:47:50Z","timestamp":1759564070981},"reference-count":22,"publisher":"Wiley","issue":"9","license":[{"start":{"date-parts":[[2013,6,7]],"date-time":"2013-06-07T00:00:00Z","timestamp":1370563200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Prenatal Diagnosis"],"published-print":{"date-parts":[[2013,9]]},"abstract":"<jats:title>ABSTRACT<\/jats:title><jats:sec><jats:title>Objective<\/jats:title><jats:p>This study aims to evaluate the utility of first trimester cervical ultrasonography in predicting preterm delivery by separate analysis of measurements of cervical and isthmus length.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>This is a cohort study based on data collected prospectively on singletons between 1 July 2011 and 1 February 2013. Mean cervical, isthmus and cervico\u2010isthmic complex length were measured for deliveries before and after 37\u2009weeks.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>A total of 1494 pregnancies were analysed, including 51 cases of spontaneous preterm delivery (3.4%). The cervico\u2010isthmic complex in the first trimester was significantly shorter in patients who delivered before term (43.8\u2009mm vs 47.5\u2009mm, <jats:italic>p<\/jats:italic>\u2009=\u20090.04). This difference is related to differences in length at the isthmus (10.7\u2009mm vs 14.1\u2009mm, <jats:italic>p<\/jats:italic>\u2009=\u20090.005) rather than at the cervix proper (34.5\u2009mm vs 35.0\u2009mm, <jats:italic>p<\/jats:italic>\u2009=\u20090.56).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Measurement of the cervico\u2010isthmic complex enables detection of a number of patients who will go on to deliver before term. Further studies are necessary to confirm that isthmic length and not cervical length is predictive of preterm delivery. \u00a9 2013 John Wiley &amp; Sons, Ltd.<\/jats:p><\/jats:sec>","DOI":"10.1002\/pd.4158","type":"journal-article","created":{"date-parts":[[2013,6,3]],"date-time":"2013-06-03T16:41:47Z","timestamp":1370277707000},"page":"894-898","source":"Crossref","is-referenced-by-count":17,"title":["What is predictive of preterm delivery in the first trimester: isthmus or cervical length?"],"prefix":"10.1002","volume":"33","author":[{"given":"Nicolas","family":"Sanan\u00e8s","sequence":"first","affiliation":[{"name":"Department of Obstetrics and Gynecology Strasbourg University Teaching Hospital  Strasbourg France"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Elodie","family":"Schuller","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynecology Strasbourg University Teaching Hospital  Strasbourg France"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Adrien","family":"Gaudineau","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynecology Strasbourg University Teaching Hospital  Strasbourg France"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Monique","family":"Kohler","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynecology Strasbourg University Teaching Hospital  Strasbourg France"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Fernando","family":"Guerra","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynecology Strasbourg University Teaching Hospital  Strasbourg France"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Anne\u2010Sophie","family":"Weingertner","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynecology Strasbourg University Teaching Hospital  Strasbourg France"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Gabrielle","family":"Fritz","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynecology Strasbourg University Teaching Hospital  Strasbourg France"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Brigitte","family":"Viville","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynecology Strasbourg University Teaching Hospital  Strasbourg France"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Bruno","family":"Langer","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynecology Strasbourg University Teaching Hospital  Strasbourg France"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Isra\u00ebl","family":"Nisand","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynecology Strasbourg University Teaching Hospital  Strasbourg France"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Romain","family":"Favre","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynecology Strasbourg University Teaching Hospital  Strasbourg France"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2013,6,7]]},"reference":[{"key":"e_1_2_5_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0140-6736(08)60136-1"},{"key":"e_1_2_5_3_1","unstructured":"Rapport INSERM\u2010DREES\u2010DGS. 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