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: Pediatrics
[{'content': 'Neonatal period extends up to – \nSelect and explain. \nA. 21 days of life, B. 30 days of life, C. 28 days of life, D. 35 days of life', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Neonate (Newborn)\n\nFrom birth to under four weeks of age (< 28 days), the infant is called neonate.\nThe neonatal period has been further subdivided into -\n\n\nEarly neonatal period\xa0\xa0→ the First week of life (< 7 days)\nLate neonatal period\xa0→ 7th to < 28th day\n\nTerm neonate (term baby)\n\nAny neonate born between 37 and < 42 weeks (259 - 293 days) of pregnancy irrespective of the birth weight.\n\nPreterm baby\n\nAny neonate born before 37 weeks (<259 days) of pregnancy irrespective of the birth weight.\n\nPost-term baby\n\nAny neonate born at or after 42 weeks (294 days or more) of pregnancy irrespective of the birth weight.', 'role': 'assistant'}]