Table 1.

FIGO score [6]

Score	0	1	2	4
Age, years	≤39	≥40	–	–
Antecedent pregnancy	Mole	Abortion	Term
Interval from index pregnancy, months	<4	4–6	7–12	>12
Pretreatment serum HCG, IU/L	<1,000	1,000–10,000	10,000–100,000	>100,000
Largest tumor size (including uterus), cm	–	3–4	>5	–
Site of metastases	Lung	Spleen/kidney	GI	Liver/brain
Metastases, n	–	1–4	5–8	>8
Previous failed chemotherapy			Single drug	2 or more drugs