Document Detail

Deepest vertical amniotic fluid pocket at term. Normal values and clinical application.
MedLine Citation:
PMID:  12611088     Owner:  NLM     Status:  MEDLINE    
OBJECTIVE: To determine the normal values of the deepest vertical amniotic fluid pocket (DVP) in term pregnancies and whether a similar relationship to birth weight (BW) exists. STUDY DESIGN: Two hundred thirty-one term patients (37-42 weeks) with intact membranes and a normal amniotic fluid index (AFI) were included. DVP was identified and compared to BW, BW > 4,000 g (large for gestational age [LGA]) and BW < 2,500 g (small for gestational age [SGA]). Statistical comparisons and linear regression models were made. RESULTS: The mean gestational age was 39.6 weeks, and mean BW 3,284 g. Mean DVP was 4.5 cm. This did not vary significantly by gestational age. A positive linear correlation was observed between DVP and BW. DVP was greater for pregnancies with LGA (5.2 vs. 4.3 cm [P < .003]). No difference was observed for SGA. The relative risk for a fetus > 4,000 g when the DVP was > 6 was 4.0 (1.6-9.5) and 15.8 (1.6-157.6) if maternal diabetes was also present. No difference was determined for SGA using a DVP < 2. CONCLUSION: Higher DVP is associated with delivery of an LGA infant, particularly in diabetic women.
Thomas D Myles; Jeffrey L Morgan; Joaquin Santolaya-Forgas
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Publication Detail:
Type:  Comparative Study; Journal Article    
Journal Detail:
Title:  The Journal of reproductive medicine     Volume:  48     ISSN:  0024-7758     ISO Abbreviation:  J Reprod Med     Publication Date:  2003 Jan 
Date Detail:
Created Date:  2003-03-03     Completed Date:  2003-05-15     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0173343     Medline TA:  J Reprod Med     Country:  United States    
Other Details:
Languages:  eng     Pagination:  7-12     Citation Subset:  IM    
Department of Obstetrics and Gynecology, Texas Tech Health Sciences Center, Amarillo, USA.
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MeSH Terms
Amniotic Fluid / physiology*,  ultrasonography*
Birth Weight / physiology*
Fetal Macrosomia / physiopathology,  ultrasonography*
Gestational Age
Infant, Low Birth Weight / physiology
Infant, Newborn
Labor Onset
Linear Models
Predictive Value of Tests
Pregnancy Outcome
Prospective Studies
ROC Curve
Reference Values
Sampling Studies
Sensitivity and Specificity
Ultrasonography, Prenatal

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

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