Infant Physical Development: Growth, Head Size & Motor Skills

During infancy, a child goes through many physical changes.

- Growth: Infants grow rapidly during their first year, tripling their birth weight and growing about 10 inches.

- Head circumference: The circumference of an infant's head increases by about 3 inches during the first year.

- Body proportions: Infants' bodies change shape as they grow, with their heads becoming smaller in proportion to the rest of their bodies.

- Development of motor skills: Infants begin to develop motor skills such as rolling over, sitting up, and crawling.

- Development of sensory skills: Infants' senses also develop rapidly. They begin to focus their eyes, hear sounds, smell scents, and taste flavours.

- Teeth: Infants typically start teething between 4 and 7 months of age. While some begin as early as 2.