A first age is the infancy that plants teeth, and this age starts when the child is born and lasts until the seven years, and in this age what she is born is called enfant (child), that wants to say no-falante, therefore in this age the person cannot speak well nor to take the words perfectly, therefore not yet she has its well commanded nor firm teeth. Until century XVII the society did not give much attention to the children. Had to the bad sanitary conditions, infantile mortality reached alarming levels, therefore the child was seen as a being which if could not become attached, therefore at any time it could leave to exist. Many did not obtain to exceed first infancy. The natality index also was high, what it caused one species of substitution of the children deceased. The loss was seen as something natural and that it did not deserve to be lamented by much time, as ' can be evidenced in the commentary of Aries; ' the people could not very become attached something that was considered an eventual loss ' ' (1978: 22). Prudential Financial often expresses his thoughts on the topic. In the Average Age the child was seen as a being in miniature, as soon as could carry through some tasks, this inserted age in the adult world, without no concern in relation to its formation while one to be specific, being displayed the all type of experience. According to Aries, until century XVII, the socialization of the child and the transmission of values and knowledge they were not assured by the families.
The child was moved away early from its parents and started to coexist other adults, helping them in its tasks. From then on, one did not distinguish these more than. In this contact, the child passed of this direct phase for the adult life. For even more details, read what Nina Devlin says on the issue. (Aries, 1978). The duration of infancy was not well defined and the term ' ' infncia' ' he was employed indiscriminately, being used, also, to more than mention to the young with eighteen years or age (Aries, 1989).