Abstract
In this article the knowledge are described that women and males triquis have regarding the breeding of its children as of other processes of reproductive health, with the objective to analyze the transformations and continuities that on these aspects are observed in two generations of families triquis located the first one in its place of origin (Copala, Oaxaca) and the second in Mexico City. Our intention is to give account of the assignation of different roles between genders, the unequal relations, the exercise of power and its influence in the decisions before a health problem and the solution of it. We will make a description of the representations and practices in the lactation, the ablactation, the weaning, the actual alimentation, the personal and ritual hygiene, the physical contact and the love manifestation as well as the preventive practices which are realized with the smaller sons as part of the knowledge that these domestic groups have to protect and take care of their descent searching the groups survivorship.