BM ounces = Formula ounces?

RR081906

I was recently hospitalized for surgery and have been pumping and dumping.  After blowing through my freezer stash we had to start LO on formula.  He was taking 4 ounce breastmilk bottles so that is what he is getting in formula (Nutramigen because of milk intolerance).  Now he seems to want to eat every 1-1.5 hours, instead of every 2-3. Does the formula not fill them up as long?  Should we increase the bottle size?  If so, by how much?  Thanks! 

megs52881

In my case I have found LO eats a ton more on Alementum(the similac version of Nutramigen).  I thought it was because it is partially broken down so it doesn't take much for them to break it down and digest it therefore they are hungrier faster.  I could be completely making this up though.

brennarobbie

I've read that formula is not as fortified as breast milk...or something along those lines...so there's more waste (as in poop!). They don't take in as much "stuff" with formula. So you need to have more formula than breast milk. I'm not sure how much more, but if you're feeding 4 oz of breast milk, I agree with PP - probably 5-6 oz of formula.