Brain Injury Terms and Definitions

Infant
An individual less than one year of age.

Rh factor
protein substance present in the red blood cells of most people, capable of inducing intense antigenic reactions.

Maternal death
The death of a woman resulting from pregnancy or childbearing, while pregnant or within 42 days of termination of pregnancy.

Postneonatal death
Death on or after the 28th day of life and before the first birthday. (See also infant death.)

Postneonate
An infant between 28 days and one year of age.

Neonatal death
Death prior to the 28th day of life.

Subconjunctival hemorrhage
is the breakage of small blood vessels in the eyes of a baby.

Neonate
An infant less than 28 days of age.

Perinatal
Period from 20 weeks gestation through 27 days after birth.

Infant death
Death of an individual less than one year of age. Infant deaths are further classified as neonatal deaths and postneonatal deaths.