World Dense Breast Day is observed worldwide every year on the last wednesday of September. This day is dedicated to raising awareness about dense breast tissue and its implications for breast cancer detection. Organizations and health advocates use this occasion to educate the public on the importance of understanding breast density and its potential impact on mammography results. Various events and campaigns are organized to provide information and support to individuals with dense breasts. The day serves as a platform for discussions about breast health and encourages women to engage in proactive health measures related to breast screening.