डब्लिउ. एस. अ. `` स्तन केन्सारनि जेसेबां बेरामि दं , बिसोरनि 80% बेरामिया जायफोरा गथʼ जोनोम होखांनायनि उनाव गावनि गथʼखौ गावनि स्तनजों आहार दौवा `` ।
According to WHO of all the patients of breast cancer 80 % are those who did not feed their child from their breast after child birth .