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Measuring Unsafe Abortion-Related Mortality: A Systematic Review of the Existing Methods

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  • Caitlin Gerdts
  • Divya Vohra
  • Jennifer Ahern

Abstract

Background: The WHO estimates that 13% of maternal mortality is due to unsafe abortion, but challenges with measurement and data quality persist. To our knowledge, no systematic assessment of the validity of studies reporting estimates of abortion-related mortality exists. Study Design: To be included in this study, articles had to meet the following criteria: (1) published between September 1st, 2000-December 1st, 2011; (2) utilized data from a country where abortion is “considered unsafe”; (3) specified and enumerated causes of maternal death including “abortion”; (4) enumerated ≥100 maternal deaths; (5) a quantitative research study; (6) published in a peer-reviewed journal. Results: 7,438 articles were initially identified. Thirty-six studies were ultimately included. Overall, studies rated “Very Good” found the highest estimates of abortion related mortality (median 16%, range 1–27.4%). Studies rated “Very Poor” found the lowest overall proportion of abortion related deaths (median: 2%, range 1.3–9.4%). Conclusions: Improvements in the quality of data collection would facilitate better understanding global abortion-related mortality. Until improved data exist, better reporting of study procedures and standardization of the definition of abortion and abortion-related mortality should be encouraged.

Suggested Citation

  • Caitlin Gerdts & Divya Vohra & Jennifer Ahern, 2013. "Measuring Unsafe Abortion-Related Mortality: A Systematic Review of the Existing Methods," PLOS ONE, Public Library of Science, vol. 8(1), pages 1-14, January.
    • Handle: RePEc:plo:pone00:0053346
    DOI: 10.1371/journal.pone.0053346
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    References listed on IDEAS

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    1. Sander Greenland, 2001. "Sensitivity Analysis, Monte Carlo Risk Analysis, and Bayesian Uncertainty Assessment," Risk Analysis, John Wiley & Sons, vol. 21(4), pages 579-584, August.
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