[Factors that influence the interruption of exclusive breastfeeding in nursing mothers].

Objective: To identify factors that can influence nursing mothers to interrupt exclusive breastfeeding during the first six months of life of the infant.

Method: Descriptive, exploratory, qualitative research. Information was collected through semi-structured interviews with 14 nursing mothers who had received prenatal care in the Family Basic Health Units in the city of Campina Grande - PB, from April to May 2013.