Document Detail

Vaginal sonography of the cervix for the prediction of "time to delivery" in ART twins gestations.
MedLine Citation:
PMID:  12217229     Owner:  NLM     Status:  MEDLINE    
The present study aimed to determine a reliable tool to estimate the interval time to delivery in assisted conception twin pregnancies. Mid-gestation cervical length was prospectively measured using transvaginal sonography (TVS) during routine antenatal care. Fifty-seven of 101 suitable women were longitudinally followed and two TVS measurements of their cervical length were obtained, first at approximately 24 weeks gestation and then at approximately 27 weeks gestation. The mean cervical length decreased from 37 +/- 12mm at first measurement to 34 +/- 11mm at the second one. A linear regression model was found between the time interval of the first (R = 0.656, p < 0.001) and the second (R = 0.435, p < 0.001) assessments and the week of delivery. The current data confirm that the length of the preserved segment of the cervix is an important indicator of its competence. A simple equation using the cervical length (mm) divided by 3 can predict mid gestation scan-to-delivery interval in twin gestation.
Adrian Shulman; Eric Jauniaux; Anna Holmes; Shlomo Maschiach; Ron Maymon
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Twin research : the official journal of the International Society for Twin Studies     Volume:  5     ISSN:  1369-0523     ISO Abbreviation:  Twin Res     Publication Date:  2002 Aug 
Date Detail:
Created Date:  2002-09-09     Completed Date:  2002-10-24     Revised Date:  2005-11-17    
Medline Journal Info:
Nlm Unique ID:  9815819     Medline TA:  Twin Res     Country:  Australia    
Other Details:
Languages:  eng     Pagination:  255-9     Citation Subset:  IM    
Department of Obstetrics and Gynecology, The Chaim Sheba Medical Center,Tel Hashomer, affiliated with the Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel.
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MeSH Terms
Cervix Uteri / ultrasonography*
Obstetric Labor, Premature / diagnosis,  ultrasonography*
Predictive Value of Tests
Pregnancy Trimester, Second
Pregnancy, Multiple*
Reproductive Techniques, Assisted*
Sensitivity and Specificity
Ultrasonography, Prenatal*

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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