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Through a direct comparison of specific heat and magneto-resistance wecritically asses the nature of superconducting fluctuations in the samenano-gram crystal of SmFeAs(O, F). We show that although the superconductingfluctuation contribution to conductivity scales well within the 2D-LLL schemeits predictions contrast the inherently 3D nature of SmFeAs(O, F) in thevicinity T_{c}. Furthermore the transition seen in specific heat cannot besatisfactory described either by the LLL or the XY scaling. Additionally wehave validated, through comparing Hc2 values obtained from the entropyconservation construction (Hab=-19.5 T/K and Hab=-2.9 T/K), the analysis offluctuation contribution to conductivity as a reasonable method for estimatingthe Hc2 slope.

Critical fields and fluctuations determined from specific heat and magnetoresistance in the same nanogram SmFeAs(O,F) single crystal