This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Preventive Medicine in Obstetrics, Paediatrics & Geriatrics, Subject name: Social & Preventive Medicine
[{'content': 'The uppermost line of the card depicted above is equivalent to: \nSelect and explain. \nA. 80% for boys, B. 50% for girls, C. 50th percentile for boys, D. 3rd percentile for girls', 'role': 'user'}, {'content': "Answer: C \nExplanation: Upper line of the 'Road to health card' is equivalent to: 50th percentile for boys Lower line of the 'Road to health card' is equivalent to: 3rd percentile for girls ICDS growth cha has 3 reference curve:- Reference standard (= URC of WHO growth cha = 50th percentile for boys) - 2SD ( = LRC of WHO growth cha = 3rd percentile for Girls) - 3SD line", 'role': 'assistant'}]