Postnatal deaths from BIRTH to 365 days after birth in a given population. Postneonatal
mortality represents deaths between 28 days and 365 days after birth (as defined by
National Center for Health Statistics). Neonatal mortality represents deaths from
birth to 27 days after birth
Note générale sur le champ d'application :
a statistical concept & not a substitute for / mortal with INFANT, NEWBORN, DISEASES
or with specific diseases in infants; do not confuse with INFANT DEATH; add geographic
term if pertinent; PERINATAL MORTALITY is also available