With 100 days to go until the Winter Olympics, the U.S. Olympic and Paralympic Committee has begun the complicated and expensive task of identifying female skiers and snowboarders who need to take gender tests before they arrive in Italy.
The sport's international federation adopted a rule last month requiring athletes who want to compete in women's events to take what's called an SRY gene test, which identifies the Y chromosome found in males. It's the same test that track and boxing federations adopted earlier in the year.
