OK Karen, I'd like to take a wild guess about the reason for the
differences in the color of the pumped milk:

My guess is foremilk/hindmilk variations. I wonder if this might not have
been the possible sequence of events:

* Mom probably has C,D or larger cup size, therefore longer ducts than
mother with A or B cups.

*First pumping took place 5-6 hours or more since previous nursing or
pumping, and milk had plenty of time for cream to rise to the top of the
tubings, leaving almost pure skim at the front of the breasts.

*MER was eventually triggered while pumping first side, but due to length
of ducts and possibly short pumping period, only a few flecks of the
hindmilk got to emerge before she switched sides.

*Second side however, benefitted from the MER while still containing the
foremilk, resulting in a richer mixture of hindmilk/foremilk, therefore
appearing "normal color."

*Next pumping then took place either at about 2-3 hours, by which time,
the separation had not been able to be as complete, and therefore, milk
from both sides, appeared "normal color"

*Alternatively, next pumping could have been 2-3 hours, or a lot longer
between, but the mother had a spontaneous MER before getting to the pump,
therefore resulting in a richer mixture ready and waiting on both sides!

"Everything in life is games. It all depends on which games we choose to
play!" I think Eric Berne said it!

K. Jean Cotterman RNC,IBCLC
Dayton, OH 45410
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