My Freestyle Libre 2 consistently reads higher than fingerprick, at times I have had 2 points higher (saying it is 7.5 when it's 5.5 at a stable point, not going up or down). I read someone else say that if you don't have much flesh/fatty area under your arms this can happen. Has anyone tried it elsewhere, the belly seems a good place? I know it's only recommended for under the arm but does it work properly or even better elsewhere?