_____________________________________________________________________________________________________ *Corresponding author: E-mail: driwuoha@gmail.com; Asian Journal of Medicine and Health 18(12): 17-25, 2020; Article no.AJMAH.64002 ISSN: 2456-8414 Knowledge, Attitude and Practice of Breast Self- Examination (BSE) among Women in an Urban City in Abia State, Nigeria Ejiro C. Iwuoha 1* , Ngozi C. Ekeleme 1 and Chika L. Uche 2 1 Department of Community Medicine, Abia State University Teaching Hospital, Aba Nigeria. 2 Department of Haematology, Abia State University Teaching Hospital, Aba Nigeria. Authors’ contributions This work was carried out in collaboration among all authors. Author ECI designed the study, performed the statistical analysis, wrote the protocol, and wrote the first draft of the manuscript. Authors NCE and CLU managed data collection, analyses of the study and the literature searches. All authors read and approved the final manuscript. Article Information DOI: 10.9734/AJMAH/2020/v18i1230281 Editor(s): (1) Dr. Nicolas Padilla-Raygoza, University of Celaya, Mexico. Reviewers: (1) Atanásio Alves do Amaral, Instituto Federal de Educação (IFSP), Brazil. (2) Pradeep Kumar Srivastava, MInistry of Health and Family Welfare, Absolute Human Care Foundation, India. Complete Peer review History: http://www.sdiarticle4.com/review-history/64002 Received 10 October 2020 Accepted 06 January 2021 Published 04 February 2021 ABSTRACT Background: Early diagnosis of breast cancer has been associated with better outcomes in diagnosed cases. Breast self-examination (BSE) is an inexpensive but effective method of identifying breast masses that may be cancerous. Objectives: To identify the knowledge, attitude and practice of BSE among women in Abia State, Nigeria. Materials and Methods: This was a cross sectional study of 415 women in Aba, a commercial city in Abia State. Pretested questionnaires were administered on women who consented to participate in the study. Analysis of data was done using IBM SPSS Version 20. Results: The mean age of the 415 participants was 36.7±9.9 years. About 9% of respondents had a positive family history of breast cancer. Majority of the women; 76% (331) had heard of BSE with highest (34%) source of information being radio and television. While 67.5% knew how to do BSE, only 32% knew the right frequency for performing BSE. Though majority of women agreed that it was necessary to see a doctor for breast examination; only 39% had done so previously while 54% Original Research Article