This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Impoant Terminologies and Primitive Neonatal reflexes, Subject name: Pediatrics
[{'content': 'Early Neonatal periods lasts upto: \nSelect and explain. \nA. 1st 72 hours of life, B. < 7 days of life, C. Completed 7 days of life, D. < 10 days of life', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Early neonatal period Late neonatal period <7 days or <168 hours of bih 7th - <28th days of bih', 'role': 'assistant'}]