Neonatal period is-: (A) Upto 1 year of life, (B) Upto 28 days of life, (C) 28 days to 1 year, (D) First 7 days of life
Answer is B. Neonatal period is from bih to 28 completed days of life.REF.PARK'S TEXTBOOK OF PREVENTIVE AND SOCIAL MEDICINE.Editon-21.Page no.-521