Despite the importance of oncofertility care in supporting women coping with fertility challenges after breast cancer, the practice of oncofertility care among nurses remains suboptimal. There is an urgent need to investigate oncofertility barriers faced by nurses caring for women with breast cancer. A cross-sectional online study was conducted among registered nurses caring for women with breast cancer. A self-developed questionnaire and the Oncofertility Barriers Scale (OBS) were used to assess participants' characteristics and self-perceived...