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
Early Neonatal periods lasts upto: 
Select and explain. 
A. 1st 72 hours of life, B. < 7 days of life, C. Completed 7 days of life, D. < 10 days of life
B: < 7 days of life
Answer: B: < 7 days of life 
Explanation: Early neonatal period Late neonatal period <7 days or <168 hours of bih 7th - <28th days of bih