normally it is seen in the age above 45 years...and mostly at 60 year The older a woman is when she has her first child, the greater her chance of breast cance. Women who had their first menstrual period before age 12 are at an increased risk of breast cance. Women who went through menopause
after age 55 are at an increased risk of breast cancer
Women who never had children are at an increased risk of breast cancer. Women who take menopausal hormone therapy
plus progestin after menopause also appear to have an increased risk of breast cancer.