This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Gestational Trophoblastic Disease, Subject name: Gynaecology & Obstetrics
[{'content': 'A 22 years old female underwent suction evacuation for molar pregnancy. Beta HCG levels are persistently high following evacuation. The next line of management is: \nSelect and explain. \nA. Follow up at 1 year, B. Monitor until HCG becomes 0, C. Hysterectomy, D. Methotrexate', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. is d, i.e. MethotrexatePersistently raised bhCG levels after H mole evacuation indicate the patient may develop GTN, and is an indication for Prophylactic methotrexate therapy.', 'role': 'assistant'}]