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CHORIOCARCINOMA ABSTRACT INTRODUCTION: Choriocarcinoma is a malignant tumor arising from uncontrollable cell proliferation and transformation in the placenta. It?s part of gestational trophoblastic disease. These tumors usually develop after molar pregnancies, and they?re rare after full-term pregnancies. CASE REPORT: A 28 year old P1L1A1 Mrs. Sumitra M.G, came with complaints of bleeding per vagina since afternoon 15/06/2024, sudden in onset, bright red in color; she changed 2-3 sanitary napkins since afternoon. No h/o pain abdomen; she has undergone induced abortion at 2 months of ammennorhea in view of absent fetal cardiac activity 2 months ago; curettage and check scan not done; per speculum examination done showing sludge on the anterior vaginal wall with sloughed-out lesion of 1-2 cm width and bleeding noted from the anterior vaginal wall, UPT-positive, Beta-hcg: 4177 mIU/mL. Wedge biopsy done showing ?Choriocarcinoma. MRI pelvis done, and it showed features suggestive of vascular malformation/highly vascular neoplastic lesion ?Choriocarcinoma. Medical oncologist opinion was taken and was initiated on single agent chemotherapy for 5 cycles and serial Beta-hcg followup was done, patient was discharged, and 10-year follow-up was arranged. CONCLUSION: Diagnosing choriocarcinoma (CC) involves a combination of a gynecological history, elevated beta-human chorionic gonadotropin (Beta-hCG) levels, and ultrasound findings. A tissue biopsy is necessary before treatment and often causes significant bleeding, as seen in our case. A prompt diagnosis and appropriate care at an expert center improve the prognosis.