Breast milk contains all the necessary nutrients—sugars, proteins, fats, vitamins, and minerals—in ratios ideal for the absorption and development of infants. Therefore, without having enough time for direct breast feeding, many parents still trying to store it for later use. However, in terms of storing, there are many unavoidable reasons leading to thawed breast milk with unusual taste or smell… So what are the symptoms, and how do we know that the stored milk is usable or not?