Table 1 FIGO 2000 risk factor scoring system for gestational trophoblastic neoplasia

Age (years)

<40

≥40

Antecedent pregnancy

Mole

Abortion

Term

Interval from index pregnancy (months)

<4

4–7

7–13

>13

Pretreatment serum hCG (IU/mL)

<103

103–104

104–105

>105

Largest tumor size (including the uterus) (cm)

<3

3−5

≥5

Metastatic site

Lung

Spleen, kidney

Gastrointestinal tract

Liver, brain

1−4

5−8

>8

Single drug

≥2 drugs