| Ultrasound assessment of cervical length in prolonged pregnancy: prediction of spontaneous onset of labor and successful vaginal delivery. | |
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MedLine Citation:
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PMID: 18260158 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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OBJECTIVES: To evaluate the usefulness of sonographic assessment of cervical length in the prediction of spontaneous onset of labor and of vaginal delivery. METHODS: Two hundred and six women who attended a dedicated postdates clinic at 41 + 3 weeks of pregnancy and agreed to the assessment of cervical length using transvaginal ultrasound imaging were included in the study. Those who had not delivered at 42 weeks were offered induction of labor. The labor details were recorded prospectively, and the onset of spontaneous labor and mode of delivery were correlated with cervical length data. RESULTS: Women who underwent spontaneous onset of labor (n = 112) had a significantly shorter cervical length (mean (SD) 25.0 (8.3) mm) than had women whose labor was induced (n = 67; mean (SD) 29.7 (8.5) mm). Logistic regression analysis showed that cervical length was an independent predictor of the likelihood of spontaneous labor in nulliparous women, and of vaginal delivery in both nulliparous and parous women. Parity had no independent effect on the onset of spontaneous labor, but was an independent predictor of the likelihood of vaginal delivery. CONCLUSIONS: Sonographic assessment of cervical length is a significant independent predictor of the likelihood of the onset of spontaneous labor in nulliparous women, and of successful vaginal delivery in both nulliparous and parous women with prolonged pregnancy. |
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Authors:
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P Vankayalapati; F Sethna; N Roberts; N Ngeh; B Thilaganathan; A Bhide |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology Volume: 31 ISSN: 1469-0705 ISO Abbreviation: Ultrasound Obstet Gynecol Publication Date: 2008 Mar |
Date Detail:
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Created Date: 2008-03-05 Completed Date: 2008-08-25 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9108340 Medline TA: Ultrasound Obstet Gynecol Country: England |
Other Details:
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Languages: eng Pagination: 328-31 Citation Subset: IM |
Copyright Information:
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Copyright (c) 2008 ISUOG. Published by John Wiley & Sons, Ltd. |
Affiliation:
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Fetal Medicine Unit, St. George's Hospital, London, UK. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Cervical Length Measurement
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methods* Cervical Ripening Cervix Uteri / ultrasonography* Delivery, Obstetric* Female Gestational Age Humans Labor Onset Logistic Models Parity Pregnancy Pregnancy, Prolonged / ultrasonography* Probability Prospective Studies ROC Curve Ultrasonography, Doppler / methods* |
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