This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Social & Preventive Medicine
[{'content': 'Family size is - \nSelect and explain. \nA. Total number of family members in the family, B. Total number of female children born in the family, C. Total number of children in the family, D. Total number of female children in the family considering the mortality', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Family size \n\nFamily size means the total number of children a woman has born at a point in time.\nThe completed family size indicates the total number of children borne by a woman during her child bearing age (15 - 45 years).\nThe total fertility rate gives the approximate magnitude of the completed family size. \nThe family planning programme\'s campaign is currently based on the theme of a "two-child"family norm, with a view to reach the long-term demographic goal of NRR = 1', 'role': 'assistant'}]