On Thursday (August 1), Italy’s 66kg boxer Angela Carini withdrew from her bout against Algeria’s Imane Khelif after just 46 seconds. Carini’s reason for pulling out: She had never been punched so hard. Her withdrawal made news because Khelif is one of the two boxers allowed to compete at the Paris Olympics despite failing a gender eligibility test at the International Boxing Association’s (IBA) World Championships in New Delhi in March last year. What are the International Olympic Committee’s (IOC) rules regarding eligibility for female competitions and how does it…