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  I have no ideas as to what could be the issue with your daughter.  Sometimes something simple like growing, or hormone changes with her age could cause weird symptoms like that, mysteriously come and then mysteriously go away.  I pray her blood work comes back normal though.  Saying a prayer for you and your DD.  (((HUGS)))  
				__________________ “Petting, scratching, and cuddling a dog could be as soothing to the mind and heart as deep meditation and almost as good for the soul as prayer.”  ― Dean Koontz |