The sport's governing body said on Tuesday that the seven had all met the "exceptional eligibility criteria" after satisfying the board that they have been training in an environment that passes the necessary anti-doping requirements.
Mariya Kuchina won thewomen's high jump with a clearance of 2.01 metres on Saturday to become Russia's second gold medallist at this world championships. The 22-year-old from Moscow had a blemish-free card to that height, her lifetime best performance.