Well, that may have resolved if it did happen after she started on solid foods. Anemia can be resolved through diet alone, believe it or not if there isn't an underlying condition and all is well.
In your daughter's case it is common for small children to be low in iron or even to be anemic. This is due to the increase of demand for iron due to growth spurts and possibly diets low in iron.
Perhaps if you give symptoms they may check this for you. I sure do hope so. Keep us posted.