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': 'All the statements regarding crude bih rate are true, except: \nSelect and explain. \nA. It is an Indicator of feility, B. It excludes the still bihs, C. It is unaffected by age-distribution, D. It is a better measure of feility than the general feility rate', 'role': 'user'}, {'content': "Answer: D \nExplanation: General feility rate is a better measure of feility than the crude bih rate, because the denominator is restricted to the number of woman in childbearing age rather than the whole population. Ref: Park's Textbook of Preventive and Social Medicine By K. Park, 19th Edition, Page 386 and 20th Edition, Pages 418-19; The Economics of Sustainable Development By Sisay Asefa, Page 104; Epidemiology for Public Health Practice By Robe H. Friis, 4th Edition, Pages 108-9", 'role': 'assistant'}]