What Does Old Breastmilk Smell Like? Identifying Safe vs. Spoiled Milk
                                
                                
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                                    5 min read                                
                            
                                According to the CDC, improper handling of expressed breast milk can lead to spoilage and potential bacterial contamination. For parents who pump and store milk, understanding the different odors that can develop and distinguishing between safe and unsafe milk is crucial for their baby's health.