Applying the same analysis here, we hold that a juvenile adjudication may be considered a prior conviction under 18 U.S.C. § 2252(b). We note that our holding is consistent with the Eleventh Circuit's unpublished opinion in United States v. Loomis, 230 Fed.Appx. 938, 939 (11th Cir.2007) (per curiam), in which the Eleventh Circuit found no plain error in the district court's determination that the defendant's youthful offender adjudication was a prior conviction under 18 U.S.C. § 2252(b). B.