Document Detail

Correlation between fetal gastric size and amniotic fluid volume.
MedLine Citation:
PMID:  15756664     Owner:  NLM     Status:  MEDLINE    
PURPOSE: Since abnormal conditions of the fetal digestive tract may alter both amniotic fluid volume and fetal gastric volume, we sought to determine whether amniotic fluid volume is correlated with fetal gastric volume in normal pregnancy. METHODS: A total of 280 fetal gastric size measurements were made prospectively from routine sonographic examinations of women with normal singleton pregnancies between 16 and 42 weeks of gestation. The fetal stomach was defined as the largest area including the pyloric site on transverse or oblique real-time sonographic scans. Gastric volume was calculated according to the formula for a prolate ellipsoid. The amniotic fluid index (AFI) was used for the evaluation of amniotic fluid volume. RESULTS: Both fetal gastric volume and AFI were significantly correlated with gestational age (R2= 0.422 and R2= 0.128, respectively). Only a weak correlation was found between gastric volume and AFI (R2= 0.036, p <0.001). On multivariate linear regression analysis adjusting for gestational age and fetal biometric measurements, gastric volume was not an independent and significant predictor of AFI. CONCLUSIONS: Although sonographically determined fetal gastric volume measurements appear to be useful in the assessment of fetal digestive tract anomalies, fetal gastric volume has no clinically significant effect on the amniotic fluid volume in normal pregnancy.
Avi Ben-Haroush; Yariv Yogev; Yoav Peled; Jacob Bar; Moshe Hod; Josef Pardo
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Publication Detail:
Type:  Comparative Study; Journal Article    
Journal Detail:
Title:  Journal of clinical ultrasound : JCU     Volume:  33     ISSN:  0091-2751     ISO Abbreviation:  J Clin Ultrasound     Publication Date:    2005 Mar-Apr
Date Detail:
Created Date:  2005-03-14     Completed Date:  2005-07-19     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0401663     Medline TA:  J Clin Ultrasound     Country:  United States    
Other Details:
Languages:  eng     Pagination:  119-22     Citation Subset:  IM    
Perinatal Division and WHO Collaborating Center for Perinatal Care, Department of Obstetrics and Gynecology, Rabin Medical Center, Beilinson Campus, Petah Tiqwa, 49100, Israel.
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MeSH Terms
Amniotic Fluid / ultrasonography*
Gestational Age
Predictive Value of Tests
Prospective Studies
Reference Values
Regression Analysis
Stomach / embryology*,  ultrasonography*
Ultrasonography, Prenatal*

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