"Jennifer Stevens, RN" <[log in to unmask]> wrote:
  I know this has been discussed on Lactnet before. How do you know that 
looking at the line on the bottle is accurate?   
   
   
  ***
  Looking at the line of the bottle is accurate if:
  - a calibrated bottle is used (check with known amounts of weighed plain water/H2O
  - place bottle on a hard, even, level surface (I do not know the english for that carpernters e.a. use to indicate that a given level is absolutely horizontal)
  - place eyes and fluid level on the same height.
  This is a procedure I was teached as a laboratoryassistent in my young years.

  Warmly,
   
  Gonneke, IBCLC, LLLL in southern Netherlands

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