Comportamiento de algunos factores biosociales en la lactancia materna en los menores de un a？o

introduction: the progressive neglect of breastfeeding has been considered a "new disease own of xx and xxi centuries"where a series of very diverse factors have been influenced. objective: to characterize the behavior of biosocial factors related to breastfeeding in babies aged less than 1 year. methods: a cross-sectional and descriptive study was conducted in 158 births occurred in 2008 in "aleida chardiet"health area. authors used the bibliographic, documentary study and the criteria contrast from different authors as a theoretical procedure, in addition to the empirical ones. results: only in the 55.7 % of study infants it was possible to achieve a successful breastfeeding, figures under the international recommendations. the early wean occurred in the 44.3 % and the more frequent reason was the mother hypogalactia. conclusions: the more frequent reason for the early wean was supported by the mother criterion related to a insufficient milk production and obtaining.