Infants can develop poor physical health if neglect starts even before the child is born.

Some infants show no symptoms at birth, but develop vision loss and other health problems later in life.

With limited social experience, infants can only develop a sense of identity through imitation.

The infants have no skin lesions at birth, but develop them during the first weeks of life.

Infants are otherwise normal between attacks and develop without incident.

Each individual infant will develop the ability to sign at a slightly varied stages in his or her growth.

Over time, infants will relearn sounds and develop words in a specific language.

Affected infants may appear normal at birth, but usually develop symptoms between 3-6 months of age.

Most infants with malrotation develop symptoms during the first month of life.

Three infants in the random group developed chronic lung disease.