This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Sexual offences and infanticide, Subject name: Forensic Medicine
[{'content': 'The period of bility of a child is \nSelect and explain. \nA. 150 days, B. 210 days, C. 270 days, D. 240 days', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Viability of a child Viability means ability of a child to have separate existence after it is separated from its mother. The period of bility is 210 days( 7 months or 28weeks) ref: FORENSIC MEDICINE AND TOXICOLOGY Dr PC IGNATIUS THIRD EDITION PAGE 347', 'role': 'assistant'}]