Document Detail

Accuracy of intrapartum estimates of fetal weight. Effect of oligohydramnios.
MedLine Citation:
PMID:  8979205     Owner:  NLM     Status:  MEDLINE    
OBJECTIVE: To study the effect of oligohydramnios on the accuracy of intrapartum clinical and sonographic estimates of fetal weight (EFWs). STUDY DESIGN: Intrapartum clinical and sonographic EFWs and an amniotic fluid index (AFI) were obtained on 124 term patients. Oligohydramnios was defined as an AFI < or = 5 cm. RESULTS: Clinical and sonographic EFWs in women with oligohydramnios were significantly less accurate than estimates derived in patients with normal amniotic fluid: P = .03 and .02, respectively. The incidence of clinical and sonographic EFWs within +/-10% of the actual birth weight were 70.1% and 68.4%, respectively (P = NS). CONCLUSION: In term patients, intrapartum sonographic prediction of birth weight offers no advantage over estimated fetal weight obtained by abdominal palpation. The presence of oligohydramnios significantly reduces the accuracy of intrapartum clinical as well as sonographic EFWs. Therefore, we suggest that intrapartum EFWs be obtained prior to artificial rupture of the membranes.
Y Barnhard; I Bar-Hava; M Y Divon
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  The Journal of reproductive medicine     Volume:  41     ISSN:  0024-7758     ISO Abbreviation:  J Reprod Med     Publication Date:  1996 Dec 
Date Detail:
Created Date:  1997-03-17     Completed Date:  1997-03-17     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  0173343     Medline TA:  J Reprod Med     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  907-10     Citation Subset:  IM    
Department of Obstetrics and Gynecology, Albert Einstein College of Medicine, Bronx, New York 10461, USA.
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MeSH Terms
Amniotic Fluid / chemistry
Birth Weight / physiology*
Fetus / physiology
Oligohydramnios / physiopathology*
Predictive Value of Tests
Pregnancy Complications / physiopathology*
Prospective Studies
Ultrasonography, Prenatal

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