Objective. of the study was to identify the social representations (SR) of breast cancer in diagnosed women and healthy or disease-free women (MLE), Guadalajara-Jalisco, 2016. Method. The associative technique of free listing and peer questionnaire was applied to 40 women. In order to know the structure of SR, a thematic and structural content analysis of SR was carried out. Results. The findings show that diagnosed women are more aware of the importance of prevention and timely detection. MLE gave greater importance to negative aspects such as fear and death. The SR on the disease is built through experiences, either one’s own with the diagnosis, through the experiences of a close person, or through social knowledge.

Keywords: Breast Cancer, Diagnosis, Social representations, Public Health, Health Education