Neonatal period is-
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
Upto 1 year of life
Upto 28 days of life
28 days to 1 year
First 7 days of life
obstetrics,pediatrics and geriatrics