Document Detail


Cervical length and cervicovaginal HCG for prediction of pre-term birth in women with signs and symptoms of pre-term labour.
MedLine Citation:
PMID:  20604645     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
The study group consisted of 100 women with a singleton pregnancy with pre-term labour between 26-36 weeks' gestation. Cervicovaginal secretions were collected for HCG assay and cervical length was measured by transvaginal sonography (TVS). These parameters were analysed to predict pre-term birth. The pre-term delivery rate was 55%; 24% delivered within 48 h and 11% within 7 days of admission. The sensitivity, specificity, positive predictive value (PPV) and negative predictive value (NPV) of cervical length <or=2.5 cm to predict delivery within 48 h and 7 days of admission were 62.5%, 89.5%, 65.2%, 88.3% and 60.0%, 96.9%, 91.3%, 81.8% respectively; and those of qualitative HCG were 87.5%, 80.3%, 58.3%, 95.3% and 77.1%, 86.2%, 75%, 87.5% respectively. HCG value of >or=45 mIU/ml was the optimal cut-off, with a sensitivity, specificity, PPV and NPV for predicting delivery within 48 h and 7 days to be 95.8%, 73.7%, 53.5% and 98.2% and 85.7%, 80%, 69.8% and 91.2%, respectively. Combining either qualitative or quantitative HCG assay with cervical length significantly increased the sensitivity and NPV of cervical length alone for prediction of pre-term delivery both within 48 h and 7 days. It was concluded that increased cervicovaginal HCG and reduced cervical length predicted an increased risk of pre-term delivery in women with pre-term labour. Qualitative cervicovaginal HCG assay may be used as a bedside test to predict pre-term delivery within 48 h or within 7 days.
Authors:
R Bagga; M Takhtani; V Suri; K Adhikari; S Arora; S Bhardwaj
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of obstetrics and gynaecology : the journal of the Institute of Obstetrics and Gynaecology     Volume:  30     ISSN:  1364-6893     ISO Abbreviation:  J Obstet Gynaecol     Publication Date:  2010  
Date Detail:
Created Date:  2010-07-07     Completed Date:  2010-10-14     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8309140     Medline TA:  J Obstet Gynaecol     Country:  England    
Other Details:
Languages:  eng     Pagination:  451-5     Citation Subset:  IM    
Affiliation:
Department of Obstetrics and Gynaecology, Postgraduate Institute of Medical Education and Research, Chandigarh, India.
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MeSH Terms
Descriptor/Qualifier:
Adult
Cervical Length Measurement*
Cervix Uteri / ultrasonography*
Chorionic Gonadotropin / metabolism
Female
Humans
Obstetric Labor, Premature / epidemiology,  metabolism,  ultrasonography*
Predictive Value of Tests
Pregnancy
Pregnancy Outcome
Risk Factors
Sensitivity and Specificity
Vagina / metabolism,  secretion
Young Adult
Chemical
Reg. No./Substance:
0/Chorionic Gonadotropin

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


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