Document Detail

Repeat instrumental delivery: how high is the risk?
MedLine Citation:
PMID:  9521386     Owner:  NLM     Status:  MEDLINE    
The objective of this study was to investigate whether a history of previous instrumental delivery imposes a higher risk of operative delivery in subsequent pregnancies. The outcome of labour in 108 women with 1 previous instrumental delivery was compared to that of 216 randomly-selected controls delivered in the same period. There was no difference between these 2 groups of patients in maternal age, height, parity, gestational age, incidence of induction of labour, incidence of epidural analgesia, or birth-weight of the babies. The incidence of instrumental delivery was found to be 8.3% among the study group, which was significantly higher than that of 2.3% among the control cases (relative risk = 3.6, 95% CI 1.24 to 10.5). This increase in risk of operative delivery was independent to the indications for or the type of instrumental delivery in previous pregnancies. We conclude that women with 1 previous instrumental delivery are at a higher risk of repeat operative delivery. This may have implication in assessing patients for home delivery.
T K Lau; T N Leung
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  The Australian & New Zealand journal of obstetrics & gynaecology     Volume:  38     ISSN:  0004-8666     ISO Abbreviation:  Aust N Z J Obstet Gynaecol     Publication Date:  1998 Feb 
Date Detail:
Created Date:  1998-05-14     Completed Date:  1998-05-14     Revised Date:  2009-11-11    
Medline Journal Info:
Nlm Unique ID:  0001027     Medline TA:  Aust N Z J Obstet Gynaecol     Country:  AUSTRALIA    
Other Details:
Languages:  eng     Pagination:  31-3     Citation Subset:  IM    
Department of Obstetrics and Gynaecology, The Chinese University of Hong Kong, The Prince of Wales Hospital, Shatin.
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MeSH Terms
Birth Weight
Delivery, Obstetric*
Extraction, Obstetrical*
Pregnancy Outcome
Risk Factors

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