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Related Experiment Videos

Undiagnosed breech revisited.

W C Leung1, T C Pun, W M Wong

  • 1Department of Obstetrics and Gynaecology, The University of Hong Kong, Tsan Yuk Hospital, Hong Kong.

British Journal of Obstetrics and Gynaecology
|July 31, 1999
PubMed
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Undiagnosed breech presentations are more likely to result in vaginal delivery compared to those diagnosed antenatally. Careful assessment for vaginal birth is beneficial even for breeches diagnosed during labor, with comparable neonatal outcomes.

Area of Science:

  • Obstetrics and Gynecology
  • Maternal-Fetal Medicine

Background:

  • Breech presentation at term complicates delivery planning.
  • External cephalic version (ECV) is routinely offered at Tsan Yuk Hospital.
  • Understanding outcomes for undiagnosed breeches is crucial for clinical practice.

Purpose of the Study:

  • To determine the incidence of undiagnosed breech presentation.
  • To compare obstetric outcomes between undiagnosed and diagnosed breech presentations.
  • To evaluate the impact of ECV on these comparisons.

Main Methods:

  • Retrospective casennote analysis of singleton breech presentations.
  • Inclusion of women who underwent successful external cephalic version.
  • Data collected from Tsan Yuk Hospital, Hong Kong.

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Main Results:

  • 21% of breech presentations were diagnosed after labor onset.
  • Undiagnosed breeches had significantly higher rates of vaginal delivery (42% vs 11%).
  • Vaginal delivery remained more common in undiagnosed cases even after including successful ECV.

Conclusions:

  • Successful ECV cases should be included when comparing diagnosed and undiagnosed breech outcomes.
  • Vaginal delivery assessment remains valuable for breeches diagnosed during labor.
  • Infants with breeches diagnosed during labor can achieve vaginal delivery with low neonatal morbidity.