<<Disclaimer: Verify this information before applying it to your situation.>>

It could be as simple as more exercise was involved at home that she "burned
off" the intake more.  Fluid (water, Crystal Light, etc) is important too.

I'm 1 year new at diabetes for my step son (10).  My son (9) has been celiac
diagnosed 7.5 years. It's not the same as feeding the combination but sure
can be interesting meals we have.