Breast Cancer Risk Calculator

Name Enter a location What was the age at which you got your first menstrual period? Do you have a history of irregular menstrual cycles? Yes No
Have you breastfed for more than 2 years in total? Yes No
Do you have any first-degree relatives with breast cancer? Yes No
Have you had a previous breast biopsy? Yes No
At what age did you have your first child? Nullipara Before age 25 Between ages 25 and 29 At age 30 or later