Risk factors for high-risk hydatidiform mole included: 1) Complete hydatidiform mole (OR=287; 95% CI=84 - 1081 p=0.000); 2) Diagnose time of hydatidiform mole was > 60 days (OR=5.2; 95% CI= 2.3 - 13.2 p=0.000) Conclusion: Some risk factors that have been associated with hydatidiform mole include: maternal age<20 or >40, low income and unwanted pregnancy.