This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Demography and family planning, Subject name: Social & Preventive Medicine
[{'content': 'Consent from guardian/husband for MTP is required in \nSelect and explain. \nA. Female is below 28 years of age, B. Female is below 23 years of age, C. Female is below 17 years of age, D. Unmaried Female', 'role': 'user'}, {'content': 'Answer: C \nExplanation: The written consent of the guardian is necessary before performing aboion in women under 18 years of age and in lunatics even if they are older than 18 years Reference : Park&;s textbook of preventive and social medicine, 23rd edition, Page no: 506', 'role': 'assistant'}]