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Maternal Serum Placental Growth Factor in Prospective Screening for Aneuploidies at 8-13 Weeks' Gestation.
MedLine Citation:
PMID:  22286035     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Objective: To investigate whether measurement of maternal serum placental growth factor (PLGF) can improve the performance of first-trimester combined screening for trisomy-21 by fetal nuchal translucency (NT) thickness and serum free β-human chorionic gonadotropin (β-hCG) and PAPP-A. Methods: In singleton pregnancies attending for routine care, serum PLGF, free β-hCG and PAPP-A were measured at 8(+0)-13(+6) weeks' gestation, and fetal NT was measured at 11(+0)-13(+6) weeks. The population included 12,154 normal and 44 trisomy-21 pregnancies. We examined the effect of adding PLGF on the performance of screening by the combined test. Results: In the trisomy-21 pregnancies the median multiple of the normal median PLGF, adjusted for gestational age, maternal weight, racial origin, smoking status and method of conception, was significantly reduced (0.6070, 95% CI 0.5543-0.6648), and this did not change significantly with gestational age. Adding PLGF to combined testing with a risk cut-off of 1 in 100 reduced the false positive rate from 2.7% (95% CI 2.5-3.0) to 2.6% (95% CI 2.4-2.8) and increased the detection rate from 85% (95% CI 75-93) to 88% (95% CI 78-95). Conclusions: Inclusion of serum PLGF improves the performance of the first-trimester combined test in screening for trisomy-21.
Authors:
Pranav Pandya; David Wright; Argyro Syngelaki; Ranjit Akolekar; Kypros H Nicolaides
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-1-27
Journal Detail:
Title:  Fetal diagnosis and therapy     Volume:  -     ISSN:  1421-9964     ISO Abbreviation:  -     Publication Date:  2012 Jan 
Date Detail:
Created Date:  2012-1-30     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9107463     Medline TA:  Fetal Diagn Ther     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2012 S. Karger AG, Basel.
Affiliation:
Department of Fetal Medicine, University College Hospital, London, UK.
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