FIGO Staging System and Modified World Health Organization [WHO] Prognostic Scoring System for Gestational Trophoblastic Neoplasms

**Semantic type:** Classification

**Definition:** A system for defining prognosis for gestational trophoblastic neoplasia. In this system, the FIGO stage is represented by an Roman numeral, followed by the modified WHO score depicted as an Arabic numeral and separated by a colon (e.g., Stage II:4, Stage IV:9). Scores of 0-6 are considered low-risk and scores greater than 6 are considered high-risk.

**Synonyms:** - Modified WHO Prognostic Scoring System as adopted by FIGO for Gestational Trophoblastic Neoplasms