Re: Need to Increase Supply
It sounds like you're doing a great job. Your pumping output sounds perfectly normal right now, but the amount he's eating when he's apart from you is more than we typically see in a breastfed infant. Most breastfed infants, throughout their first year of life, will take in about 1-1.5oz of milk for each hour that they are separated from their mother. So, they may take in a 2oz bottle every two hours, or a 4oz bottle every four hours.
I'm guessing that your baby is in daycare the typical 9-10hrs per day. So, baby would normally need 9-15oz of expressed milk. He's currently being given much more than that.
Can you talk to your daycare provider about your concerns? There are many reasons that breastfed infants get overfed in daycare. From having bottle nipples that are too fast (typically, slow flow nipples are best, and they need to be replaced periodically, as the holes can get bigger with use and washing), to a provider that is more accustomed to feeding a formula fed infant who does take in 8oz normally, to a provider not being able to recognize your baby's needs for things other than milk, to a high sucking need that's not being met.
Switching to slow flow bottle nipples is most likely the easiest fix, because it's so non-confrontational, but talking with the provider will tell you more about the situation.
If you do decide to work with the provider to lower the amount he's taking in each day, you can offer to slowly get the bottle sizes down, and reassure them that you'll be feeding the baby plenty when you are together, so that baby's total intake will be the same, they'll just be getting more from you instead of the bottle. And that means less work and stress for you.
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