What makes breastmilk frothy? Causes, fixes, and safety
                                
                                
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                                    5 min read                                
                            
                                Research from Cimilre Breast Pumps indicates that pumping can naturally introduce air into milk, creating bubbles that make it appear frothy. This is a common and usually harmless occurrence, often related to the mechanics of milk expression and storage rather than an issue with the milk's quality.