Feeding & Nutrition

The complete CDC-aligned guide to storing breast milk safely — how long milk lasts in the fridge, freezer, and cooler, plus tested storage bags, chillers, and what to do when things go sideways.

Across three babies, I’ve made both mistakes. With my first, I registered for twelve bottles before she was born, and ended up donating half of them at her first birthday. By baby number three, I thought I’d finally cracked the code — until I ran out of clean bottles on day two of our daycare

Compare bottle nipple sizes across 7 brands, including Avent, Dr. Brown’s, MAM and Lansinoh. See age labels, feeding cues, and when not to size up.

Cross-checked with independent testing and official CDC/FDA guidance: 5 bottle warmers for night feeds, breast milk, and formula.