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Related Experiment Videos

Factors affecting outcome in post-term birth

M K Campbell1

  • 1Department of Epidemiology, University of Western Ontario, London, Canada. campbell@biostats.uwo.ca

Current Opinion in Obstetrics & Gynecology
|January 13, 1998
PubMed
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Post-term births show no increased perinatal mortality with modern care. However, risks of fetal distress and cesarean birth persist, especially for smaller fetuses.

Area of Science:

  • Obstetrics and Gynecology
  • Perinatal Medicine
  • Maternal-Fetal Medicine

Background:

  • Post-term pregnancy, defined as beyond 42 weeks gestation, requires careful management.
  • Historically associated with increased perinatal mortality, recent studies re-evaluate risks.
  • Advances in perinatal care and fetal monitoring influence outcomes.

Purpose of the Study:

  • To assess the current risks of perinatal mortality and morbidity in post-term births.
  • To identify key risk factors and markers for adverse outcomes in post-term pregnancies.
  • To evaluate the impact of modern clinical management on post-term birth outcomes.

Main Methods:

  • Review of recent studies on post-term pregnancies and their outcomes.
  • Analysis of factors influencing perinatal mortality and intrapartum complications.

Related Experiment Videos

  • Evaluation of risk markers such as amniotic fluid volume and fetal biophysical profile.

    • Main Results:

    • Post-term births, under current good clinical management, do not demonstrate increased perinatal mortality.
    • Increased risks for intrapartum fetal distress and cesarean birth remain significant.
    • Small fetal size is identified as the primary risk factor for poor fetal and neonatal outcomes.
    • Amniotic fluid volume and fetal biophysical profile are key risk markers for intrapartum difficulties.

    Conclusions:

    • Modern perinatal management has mitigated the mortality risk associated with post-term birth.
    • Post-term pregnancies continue to represent an obstetrical risk group requiring vigilant monitoring.
    • Focus on fetal size and specific risk markers is crucial for managing intrapartum complications.