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Prediction of prolonged pregnancy in nulliparous women by transvaginal ultrasonographic measurement of cervical length at 20-24 weeks and 37 weeks
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- Authors
- Issue Date
- 2007-02-14
- Publisher
- Korean Academy of Medical Science
- Citation
- J Korean Med Sci 2007; 22: 89-93
- Keywords
- Cervix Uteri/*anatomy & histology/*ultrasonography ; Gestational Age ; Humans ; Pregnancy ; Pregnancy, Prolonged/*diagnosis ; Prospective Studies ; ROC Curve ; Vagina
- Abstract
- This study was done to evaluate transvaginal ultrasonographic measurement of cervical length at 20 to 24 weeks and 37 weeks as a predictor of prolonged pregnancy (defined as a pregnancy that extended beyond 41+2 weeks of gestation [289 days]) in nulliparous women. This prospective observational study enrolled 149 consecutive nulliparous women with singleton gestation at 37 weeks. Cervical length was measured by transvaginal ultrasonography at 20 to 24 weeks and 37 weeks. Cervical length at 37 weeks, but not at 20 to 24 weeks, was significantly longer in women delivered at >41+2 weeks than in those delivered at
- ISSN
- 1011-8934 (Print)
- Language
- English
- URI
- http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&dopt=Citation&list_uids=17297257
https://hdl.handle.net/10371/21304
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