Document Detail


Symphysis-fundus measurements for detection of small for gestational age pregnancies.
MedLine Citation:
PMID:  16612701     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
BACKGROUND: In Sweden measurements of the symphysis-fundus (SF) distance are used to detect small for gestational age (SGA) pregnancies. The aim of this study was to evaluate the efficiency of Swedish ultrasound-based SF reference curves in detecting SGA pregnancies. METHODS: To assess the sensitivity for detection of SGA pregnancies we performed a case-control study. Through the Swedish Medical Birth Register we identified all singleton SGA infants born in Uppsala in 1993-1997 and randomly recruited non-SGA singleton infants as controls. We included 169 term and 73 preterm SGA cases and 296 controls, all born at term. The reference curves constructed by Steingrimsdottir (S curve) and Kieler (K curve) were evaluated. Gestational age at the first alarm in the preterm SGA group was recorded. RESULTS: In term pregnancies the S curve showed a sensitivity of 32% and specificity of 90% at a cut-off of -2 SDs. The corresponding values for the K curve were 51% and 83%, respectively. In preterm SGA pregnancies the sensitivity of the S curve was 49% and of the K curve 58%. The first alarm below 2 SDs was noted before 32 weeks in 37% with the S curve and 43% with the K curve for preterm SGA pregnancies. CONCLUSIONS: Both tested Swedish SF reference curves had low sensitivities for term SGA pregnancies. Sensitivity was higher for the preterm group and SF measurements seem to be better for detecting the most severe cases of SGA.
Authors:
Eva Bergman; Helle Kieler; Max G Petzold; Christian Sonesson; Ove Axelsson
Publication Detail:
Type:  Evaluation Studies; Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Acta obstetricia et gynecologica Scandinavica     Volume:  85     ISSN:  0001-6349     ISO Abbreviation:  Acta Obstet Gynecol Scand     Publication Date:  2006  
Date Detail:
Created Date:  2006-04-13     Completed Date:  2006-05-09     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0370343     Medline TA:  Acta Obstet Gynecol Scand     Country:  Denmark    
Other Details:
Languages:  eng     Pagination:  407-12     Citation Subset:  IM    
Affiliation:
Department of Women's and Children's Health, Obstetrics and Gynecology, Uppsala University, Sweden. eva.bergman@kbh.uu.se
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MeSH Terms
Descriptor/Qualifier:
Adult
Anthropometry
Case-Control Studies
Female
Humans
Infant, Newborn
Infant, Small for Gestational Age*
Pregnancy
Pubic Symphysis / anatomy & histology*,  ultrasonography
Reference Values
Sensitivity and Specificity
Sweden
Ultrasonography, Prenatal*
Uterus / anatomy & histology*,  ultrasonography

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


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