This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General obstetrics, Subject name: Gynaecology & Obstetrics
[{'content': 'Massive PPH may warrant following interventions: \nSelect and explain. \nA. Hysterectomy, B. Thermal endometrial ablation, C. Internal iliac A. ligation, D. Balloon tamponade', 'role': 'user'}, {'content': 'Answer: A \nExplanation: <p> As per WHO recommendations,if life threatening bleeding continues in case of postpaum hemorrhage, subtotal or total hysterectomy should be performed. Reference:Textbook of obstetrics,Sheila Balakrishnan,2nd edition, page no:401. <\\p>', 'role': 'assistant'}]