Concept:Early childhood is the developmental stage that starts at birth and continues up to 8 years of age.
Explanation:This period includes infancy, toddlerhood, and the early school years.
It is a critical time for brain development and lays the foundation for future learning.
Children show rapid physical, cognitive, emotional, and social growth during these years.
Proper care, nutrition, and stimulation are essential to support this development.
Hence, early childhood is correctly defined as the period from birth to 8 years.
Answer:Option A – Birth to 8 years.