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The new FIGO 2000 staging and risk factor scoring system for gestational trophoblastic disease: Description and critical assessment
  1. E. I. Kohorn
  1. Yale Trophoblast Center, Yale University School of Medicine, New Haven, Connecticut
  1. Address correspondence and reprint requests to: E.I. Kohorn, MD, 333 Cedar Street, New Haven CT 06510. Email: ernest.kohorn{at}


The classification of the International Federation of Obstetrics and Gynecology (FIGO) for Trophoblastic Disease was changed at the meeting in Washington in September 2000 by combining the basic FIGO anatomic staging with the modified World Health Organization (WHO) risk factor scoring system. This presentation outlines the new system and provides a critical evaluation of the issues that have been resolved and those that are still outstanding.

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  • Supported by the Baumer Fund of Yale University.

  • This is not a review but report of work in progress.