Ok so I’m aware this may not make it past the mods - not sure if this goes against the subs rules - but worth a shot. I’m curious if the microbiologists of the world think it’s safe for a baby to drink breast milk that started frozen and thawed overnight in freezer bags in a room temp water bath (silicone bag) in our sink.
Full disclosure, I asked Claude as well and below is a summary of the discussion.
Here's a quick summary:
Situation: 12oz of frozen breastmilk (in bags) was placed in a tub of standing water in the kitchen sink at 8pm to thaw and left overnight until 7am — about 11 hours total.
Key safety checks passed:
Bags still felt cold when found
No sour smell at all
Normal appearance/color
What I [Claude] recommended:
Milk is safe to use based on all indicators
The standing cold water acted more like a refrigerator thaw than a room temperature thaw
Move to fridge immediately (which you did)
Use within 24 hours of this morning
Tonight's plan:
Two 6oz bottles at 5:30pm and 7pm — well within the safe window
Swirl gently before pouring, don't shake
Use within 2 hours of warming
Discard any leftover milk 2 hours after baby starts drinking
Bottom line: The milk passed every reasonable safety check and the circumstances (frozen start, standing cold water, still cold at discovery) were much safer than the worst-case scenario the standard guidelines are written for.