This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: obstetrics,pediatrics and geriatrics, Subject name: Social & Preventive Medicine
[{'content': 'Most rare cause of maternal moality is - \nSelect and explain. \nA. Aboion, B. Anaemia, C. Toxaemia, D. Hemorrhage', 'role': 'user'}, {'content': "Answer: C \nExplanation: Hemorrhage-25%,anaemia-20%,aboion-13% constitute maternal deaths.REF.PARK'S TEXTBOOK OF PREVENTIVE AND SOCIAL MEDICINE.Editon-21.Page no.-516 fig.8", 'role': 'assistant'}]