Ye Shiwen controversy

China’s Ye Shiwen competes in the women’s 200m individual medley heats in London. (Leon Neal / AFP / Getty Images)

July 31, 2012 3:57 PM PT

China’s Ye Shiwen wins another gold medal. Some are raising questions about the teenager’s Olympic record times.

From left, Alicia Coutts of Australia, Ye Shiwen of China and Caitlin Leverenz of the United States compete in the women’s 200m individual medley final at the 2012 London Olympics. (Richard Heathcote / Getty Images)

China’s Ye Shiwen celebrates after winning the women’s 200m individual medley. She set an Olympic record. (Christophe Simon / AFP / Getty Images)

China’s Ye Shiwen displays her gold medal after winning the women’s 200-meter individual medley swimming final. (Daniel Ochoa De Olza / Associated Press)

Gold medalist China’s Ye Shiwen displays the Chinese flag after the podium ceremony of the women’s 200m individual medley final. (Christophe Simon / AFP / Getty Images)

China’s Ye Shiwen, 16, competes in the women’s 200m individual medley final. She won the gold medal and set an Olympic record. (Michael Kappeler / EPA)

China’s Ye Shiwen, 16, competes in the women’s 200-meter individual medley swimming final at the 2012 Summer Olympics. (Mark J. Terrill / Associated Press)