| Cervical length in the early second trimester for detection of triplet pregnancies at risk for preterm birth. | |
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MedLine Citation:
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PMID: 15328433 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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OBJECTIVE: Preterm triplet delivery is common and has a tremendous impact on neonatal mortality and morbidity. We aimed at assessing early second-trimester cervical length as a means of detecting triplet pregnancies at risk for preterm birth. METHODS: Cervical length was measured in triplet pregnancies during weeks 14 to 20. Cervical length of less than 25 mm was used as a cutoff to divide individuals into 2 groups. Perinatal outcome parameters were compared between the 2 groups and included gestational age at delivery, birth weights, and neonatal intensive care unit admission rates. Sensitivity, specificity, and positive and negative predictive values were calculated for cervical length as a screening method for preterm birth. RESULTS: We evaluated 36 triplets during weeks 14 to 20. Cervical length of less than 25 mm was measured in 14 (group I), 12 of which were delivered before 32 weeks (mean +/- SD, 28.4 +/- 3.1 weeks). Four of 22 women with cervical length of greater than 25 mm (group II) had delivery before 32 weeks (mean, 30.1 +/- 1.8 weeks). The mean gestational age at delivery for all parturients from group II was 33.1 +/- 2.1 weeks (P < .05). Group I neonates had lower birth weights (972 versus 1889 g; P < .001) and higher rates of low 5-minute Apgar scores and neonatal intensive care unit admissions compared with group II neonates. The sensitivity of a shorter cervix as a predictor of preterm labor was 75%, with specificity of 90%, a positive predictive value of 83%, and a negative predictive value of 81%. CONCLUSIONS: Cervical length of less than 25 mm at 14 to 20 weeks' gestation is associated with preterm delivery and adverse perinatal outcome in triplet pregnancies. |
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Authors:
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Sharon Maslovitz; Joseph Hartoov; Igal Wolman; Ariel Jaffa; Joseph B Lessing; Gideon Fait |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine Volume: 23 ISSN: 0278-4297 ISO Abbreviation: J Ultrasound Med Publication Date: 2004 Sep |
Date Detail:
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Created Date: 2004-08-25 Completed Date: 2004-12-21 Revised Date: 2005-11-17 |
Medline Journal Info:
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Nlm Unique ID: 8211547 Medline TA: J Ultrasound Med Country: United States |
Other Details:
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Languages: eng Pagination: 1187-91 Citation Subset: IM |
Affiliation:
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Gynecologic Ultrasound Unit, Lis Maternity Hospital, Tel Aviv Sourasky Medical Center, 6 Weitzman St, 64239, Israel. orshma@hotmail.com.il |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adult Cervix Uteri / anatomy & histology* Female Humans Obstetric Labor, Premature / epidemiology* Pregnancy Pregnancy Outcome* Pregnancy Trimester, Second Pregnancy, High-Risk* Pregnancy, Multiple* Risk Assessment Risk Factors Triplets |
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