I've been EPing since we brought DS home from the hospital, and he's now 5 weeks old. I have oversupply, so I have a large frozen stash. I'd like to start giving him some of the frozen, but am wondering if he'll get what he needs from milk I pumped when he was only a week old, given that (I think) a mother's milk changes as the baby grows? Or am I making that up?
I totally get what you're saying. I know my milk has changed in fat content from the beginning. I would say it's okay. If anything, it'll contain more colostrum which is definitely a good thing. Probably a good idea to go ahead and use it now and freeze what you currently pump.
Since your baby is only 5 weeks old I wouldn't worry about it too much. I suggest you give some of the frozen and some of the fresh milk and he should be in good shape.
ETA to clarify there would be a much bigger difference in milk if you were giving a 6 month old newborn milk; it's good to rotate your stash.
My lo is the same age as yours, and I've been giving 1-2 bottles per day of my oldest milk to rotate it. I don't think it matters as much if it is only a portion of what they get all day, and the difference between milk from week 1 and week 5 is probably not as much as month 1 and month 5.
I've talked to my ped about this, and she basically said that if he's even just getting one bottle of fresh BM daily it's enough to get the good antibodies etc. Don't stress too much.
As said the difference between milk from a few weeks ago is negligible. Even the difference between milk pumped now and milk pumped six months ago is not all that much different, baby might take a bit more oz, but it's still closer than formula would be.
Lots of moms who have colostrum or early milk pumped and frozen will save it to give to baby when they get their first cold as an immune boost.
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