Age for regular mammography is

Screening mammography: For screening purpose it is done after 40 years. Early screening is indicated when there is family history of carcinoma breast or histological risk factor. Mammography before 35 years of age is usually not done unless there is a suspicious lump or a strong family history. Screening is done in asymptomatic female where even cancer is suspected. Ref; (page no; 515) 5th edition of SRB&;S manual of Surgery.