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': 'According to international standards, still bih is defined as weight of fetus over? \nSelect and explain. \nA. 500 gm, B. 850 gm, C. 1000 gm, D. 2000 gm', 'role': 'user'}, {'content': 'Answer: C \nExplanation: parks textbook of preventive and social medicine 23rd edition *stillbih rate is defined as death of foetus weighing 1000gor more occuring during one year in every 1000 total bihs.', 'role': 'assistant'}]