Summary: In a series of 31 consecutive patients with malignant trophoblastic disease there were 28 patients with choriocarcinomas and 3 with invasive moles. More than three‐quarters of the patients were less than 30 years of age. Of the patients with choriocarcinoma, 13 died in hospital, 6 died at home within 3 months, 1 survived, and 8 were lost to follow‐up.