In this article it is approached constituent function of the parental speech for the inscription of the child in the symbolic universe of the parents. Through summary story of two clinical assistances carried out in an neo-natal ICU, it points out that the subjectivity of the child sustains in a familiar discursive net that precedes it and it determines it. It standes out thus, the importance of the familiar speech that precedes the birth and that if it constitutes as necessary minimum condition for the subjective constitution the infans.
Neo-natal ICU; Speech parental; Babies; Psychoanalysis