Breastmilk Storage Calculator

🥛 Milk Check

Is your breast milk still good? Tap what applies and get a clear answer and a use-by time. Based on CDC storage guidelines.

1What kind of milk?
2Where is it now?
3

My stash (use first on top, saved on this device)

    Good to know

    Combining milk from different sessions

    Chill freshly pumped milk in the fridge for 30–60 minutes before adding it to cold milk. The clock runs from the oldest milk.

    Signs milk has gone bad

    A sour or rancid smell or a chunky texture after swirling. Separated layers are normal. A soapy smell can be high lipase, which is safe.

    Premature or ill babies

    These timelines are for healthy, full-term babies. Ask your pediatrician or IBCLC about stricter limits.

    For education only, not medical advice.

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