My parents babysat DD today and I left with them a formula bottle + backup water bottle in case we were going to stay for dinner and she needed more then one bottle. I gave them instructions on how to make the formula bottle up if the needed it however they didn't listen and fed her about 90mls of water...
Is that ok for her to have as a once off thing? She was asleep when we got there and was really hungry when we got home so feed her a full bottle again. I am just worried it might of hurt her
It won't hurt her hun.
While babies don't strictly need water, for formula fed babies it doesn't hurt for them to have it as extra hydration on warmer days.
How silly of your parents though
It won't hurt. It's not ideal, but it won't hurt. Remember, back in the 1970s parents were told to give babies water and baby rice from 6 weeks! So your parents "know" it's OK to give water, even though we don't do it because it's not the best for them. At least it was just water and not rice too!
I think DS drank some water at a very young age, he tended to help himself quite a bit. Not at 8w though.
Actually babies are prone to over-hydration called water intoxication. Although I would think 90mls as a one-off wouldn't cause this? Google water intoxication for more information. Generally it happens when a large amount of water is taken too quickly.
90mls in a baby that age is unlikely to cause water intoxication.
Don't fret about the water intake. Over the summer months we encouraged DD to have boiled water (she was a Feb baby) when she was on formula for 2 reasons;
1). extra hydration
2). to avoid constipation which can sometimes happen with formula fed babies.
But seriously, don't stress about it - just make sure you reiterate to your parents how to make the formula. Your parents may have just been confused and prefered to err on the side of caution and give plain water instead of risking "mixing it wrong".
I agree with what the others said but definatly go over with your parents what you want them to do when she is in their care. That is the really important aspect.
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