Document Detail

In-vivo accuracy of ultrasound measurements of intrauterine volume in pregnancy.
MedLine Citation:
PMID:  6362714     Owner:  NLM     Status:  MEDLINE    
The accuracy of ultrasonic measurements of intra-amniotic volume using a parallel planimetric area method was assessed in 18 women by comparison against different measures of the same volume space. In nine patients undergoing second-trimester termination of pregnancy amniotic fluid volume was measured using a dye dilution method and fetal volume was measured by either water displacement or calculated from fetal weight. The estimated intra-amniotic volume by this method was not significantly different from the ultrasonic measurement. In one patient who had a hysterotomy, fetal and amniotic fluid volumes showed a difference of 1.01% between ultrasonically-measured and actual intra-amniotic volume. In eight patients studied in the third trimester the mean difference between ultrasonic and estimated intra-amniotic volume at delivery was 6.2%.
R T Geirsson; N B Patel; A D Christie
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Publication Detail:
Type:  Comparative Study; Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  British journal of obstetrics and gynaecology     Volume:  91     ISSN:  0306-5456     ISO Abbreviation:  Br J Obstet Gynaecol     Publication Date:  1984 Jan 
Date Detail:
Created Date:  1984-03-07     Completed Date:  1984-03-07     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  7503752     Medline TA:  Br J Obstet Gynaecol     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  37-40     Citation Subset:  AIM; IM    
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MeSH Terms
Amnion / anatomy & histology
Amniotic Fluid / physiology
Dye Dilution Technique
Pregnancy Trimester, Second
Pregnancy Trimester, Third
Uterus / anatomy & histology*

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