We have tested the Calma nipple.  Of the 37 designs/brands we have tested thus far, it has the fastest flow.  (example: Dr. Browns narrow slow: 3.03 mL/20 cycles, compared with Calma: 14.2 mL/20 cycles).  I have seen many babies choke with it, and so far every adult volunteer who has sucked on this nipple has also choked (we do some real-life examples when we speak).    

It is true that the opening is large yet nothing drips out.  However, dripping doesn't matter (!!!) because dripping can be controlled during a feed.  On the other hand, flow cannot be controlled.  Nipple flow will impact a baby's organization for suck:swallow:breathe.  Too fast (or too slow) can negatively impact feeding.  

The wording on this specific brand is misleading...whether or not a bottle drips does not make it like breastfeeding.  Moms need to know this.
Amy Peterson
co-author Balancing Breast and Bottle: Reaching Your Breastfeeding Goals

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