To know the situation of breastfeeding practice in population served by two Healt Center in Ribeirão Preto, state of São Paulo, Brazil, the authors inteviewed sixty mothers. During the observation period they found in several ocasions a group of mothers that stoped abruptly the breastfeeding. According the results the majors causes appears to be the lack of information about the advantages of natural feeding and also social and instructional problems.
