I had a little 'run in' with one of our neonatologist who told a mother that she had to limit her breastfeeding to twice a day because the babies (twins) were exerting more calories from breastfeeding then formula feeding. I found one research article that was done in 2009 that stated the their wasn't a difference from breast versus bottle http://www.thedoctorschannel.com/video/2650.html?specialty=19
but the study was only done with 19 preterm babies. So, I was told the study was to small to prove anything. 
So, I am reaching out to see if anyone else has any other research studies like this that they could send me too.
Thanks
Jessica Callahan RN, IBCLC
NC

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