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Related Experiment Videos

Adverse outcome after multiple pregnancy

B Petterson1, E Blair, L Watson

  • 1Department of Anatomy and Human Biology, University of Western Australia, Nedlands, Australia.

Bailliere'S Clinical Obstetrics and Gynaecology
|February 4, 1999
PubMed
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Multiple pregnancy outcomes are increasingly studied due to rising numbers and improved survival rates. Methodological factors significantly impact data comparability for adverse outcomes like perinatal mortality and neurodevelopmental disabilities.

Area of Science:

  • Obstetrics and Gynecology
  • Perinatal Medicine
  • Reproductive Health

Background:

  • Increasing incidence of multiple pregnancies due to assisted reproductive technologies.
  • Improved survival rates for very low birth weight infants in multiple births.
  • Growing need to understand outcomes and improve care for multiple gestations.

Purpose of the Study:

  • To highlight methodological challenges in comparing multiple pregnancy outcome data.
  • To examine the impact of definitions and data sources on reported rates.
  • To investigate perinatal mortality and neurodevelopmental disabilities as key adverse outcomes.

Main Methods:

  • Review of definitions for birth and multiple birth.
  • Analysis of data sources and counting methodologies (pregnancies vs. births).

Related Experiment Videos

  • Consideration of zygosity and chorionicity in identifying multiple gestations.

    • Main Results:

    • Variations in definitions and data collection methods affect outcome rates.
    • Inconsistent approaches can lead to incomparable data between populations.
    • Zygosity and chorionicity are crucial factors in accurate outcome assessment.

    Conclusions:

    • Standardized methodologies are essential for reliable multiple pregnancy research.
    • Addressing definitional and data source issues is critical for evaluating interventions.
    • Accurate reporting of perinatal mortality and neurodevelopmental outcomes requires careful consideration of methodological factors.