These may include physical trauma at or around birth, including cerebral palsy, mental retardation, or stressful situations, such as the birth of a sibling, moving, or a sudden growth in linguistic ability.
These may include physical trauma at or around birth. This is including cerebral palsy. This is including mental retardation. This is including stressful situations, such as the birth of a sibling or a sudden growth in linguistic ability. Birth is moving.