The objective was to analyze the perceptions of primiparae on the guidance received in prenatal care regarding breastfeeding. Qualitative descriptive study, whose data collection happened, the period March-May 2010, through semi-structured interviews with 10 primiparae admitted to the rooming unit of a hospital in Fortaleza-CE, Brazil. For data analysis we used the content analysis, emerging the following categories: Guidelines on pre-natal care; Importance of breastfeeding; and Breast care and problems. We identified that prenatal consultation is a way to monitor the mother during pregnancy, as well as being a time to educate them about the several changes and consequences that occur during pregnancy. We concluded that mothers have a satisfactory awareness of the importance of prenatal care; however we observed a superficial knowledge apprehended in prenatal care regarding breastfeeding.