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Early pregnancy vaginal fluid phosphorylated insulin-like growth factor binding protein-1 predicts preterm delivery.
MedLine Citation:
PMID:  23408645     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
OBJECTIVE: We aimed to study vaginal fluid phosphorylated insulin-like growth factor binding protein-1 (phIGFBP-1) testing in early pregnancy to predict spontaneous preterm delivery (PTD). METHODS: Vaginal and cervical swab samples were collected from 5180 unselected women during the first-trimester (mean gestational age 13.1 weeks) ultrasound screening. PhIGFBP-1 was measured in vaginal and cervical fluid by an immunoenzymometric assay. Concentrations of ≥10 µg/L were considered elevated. The outcome measure was spontaneous PTD at <32 or <37 weeks gestation. RESULTS: The median concentrations of first-trimester vaginal and cervical phIGFBP-1 were higher in women with spontaneous PTD at <32 and <37 weeks gestation. When 10 µg/L of phIGFBP-1 was used as a cut-off level, the OR in predicting PTD at <32 weeks gestation was 8.6 (95% CI 3.6-20.7) for vaginal samples and 3.6 (95% CI 1.7-7.9) for cervical samples. At <37 weeks gestation, the OR in predicting PTD was 3.0 (95% CI 1.9-3.9) for vaginal samples and 1.9 (95% CI 1.4-2.5) for cervical samples. In multiple logistic regression analysis, both elevated vaginal and cervical fluid phIGFBP-1 levels were independent predictors of PTD both at <32 and <37 weeks gestation. CONCLUSION: First-trimester vaginal phIGFBP-1 performed better than cervical phIGFBP-1 in the prediction of spontaneous PTD. © 2013 John Wiley & Sons, Ltd.
Authors:
Hanna Kallioniemi; Leena Rahkonen; Oskari Heikinheimo; Jorma Paavonen
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-2-14
Journal Detail:
Title:  Prenatal diagnosis     Volume:  -     ISSN:  1097-0223     ISO Abbreviation:  Prenat. Diagn.     Publication Date:  2013 Feb 
Date Detail:
Created Date:  2013-2-14     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8106540     Medline TA:  Prenat Diagn     Country:  -    
Other Details:
Languages:  ENG     Pagination:  1-6     Citation Subset:  -    
Copyright Information:
© 2013 John Wiley & Sons, Ltd.
Affiliation:
Department of Obstetrics and Gynaecology, Helsinki University Central Hospital, Helsinki, Finland.
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