* Regulations come into effect for world championships * ‘The test is a very important step,’ says Sebastian Coe Athletes will be eligible to compete in the female category for world-ranking competitions such as the world championships only if they clear a one-time gene test. The test for the SRY gene, which needs to be taken only once and helps in determining biological sex, can be conducted via a cheek swab or blood test. World Athletics’ testing protocol will be overseen by member federations and the new regulations come into effect on 1 September, in time for that month’s world championships in Tokyo. Continue reading...