Social & Preventive Medicine obstetrics,pediatrics and geriatrics 03c2ba47 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 High-Yield Explanation 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