AF ▁World ▁Ind oor ▁Championships . ▁ ▁She ▁was ▁a ▁silver ▁med all ist ▁at ▁the ▁Summer ▁Univers ia de ▁and ▁Military ▁World ▁Games ▁in ▁ 2 0 0 7 , ▁and ▁a ▁bronze ▁med all ist ▁at ▁the ▁ 2 0 0 1 ▁World ▁Youth ▁Championships ▁in ▁Athletics . ▁She ▁was ▁b anned ▁for ▁do ping ▁in ▁ 2 0 0 8 . ▁ ▁Career ▁ ▁Early ▁career ▁Le ant si uk ▁made ▁her ▁international ▁debut ▁in ▁ 2 0 0 1 ▁at ▁the ▁age ▁of ▁sevent een . ▁Comp eting ▁at ▁the ▁ 2 0 0 1 ▁World ▁Youth ▁Championships ▁in ▁Athletics , ▁she ▁was ▁the ▁bronze ▁med all ist ▁behind ▁Val erie ▁Adams ▁and ▁Mich elle ▁Carter . ▁Short ly ▁afterwards ▁she ▁won ▁a ▁gold ▁medal ▁at ▁the ▁ 2 0 0 1 ▁European ▁Youth ▁Olympic ▁Festival , ▁be ating ▁M ama ▁F at ty . ▁The ▁following ▁year ▁she ▁improved ▁her ▁personal ▁best ▁to ▁ ▁and ▁came ▁sevent h ▁at ▁the ▁ 2 0 0 2 ▁World ▁Junior ▁Championships ▁in ▁Athletics . ▁ ▁Le ant si uk ▁came ▁third ▁at ▁the ▁Bel arus ian ▁champion ships ▁in ▁ 2 0 0 3 ▁and ▁won ▁the ▁national ▁junior ▁title ▁with ▁a ▁new ▁best ▁throw ▁of ▁. ▁She ▁was ▁runner - up ▁to ▁Russian ▁rival ▁Anna ▁Av de ye va ▁at ▁the ▁ 2 0 0 3 ▁European ▁Athletics ▁Junior ▁Championships . ▁She ▁did ▁not ▁improve ▁in ▁ 2 0 0 4 ▁– ▁her ▁first ▁year ▁of ▁full ▁senior ▁competition ▁–