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: Gynaecology & Obstetrics
[{'content': 'Viability of fetus is beyond ? \nSelect and explain. \nA. 25 weeks, B. 28 weeks, C. 30 weeks, D. 32 weeks', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e.,28 weeksViability means the physical ability of a fetus to lead a separate existence after bih apa from its mother, by viue of a ceain degree of development. A child is ble after 210 days (7 months) of intrauterine life, and in some cases after 180 days (6 months) but in most of these cases fetus is immature.", 'role': 'assistant'}]