In 1968, the International Olympic Committee (IOC) implemented sex testing for female athletes at that year's Games. When it became clear that testing regimes failed to delineate a sex divide, the IOC began to test for gender --a shift that allowed the organization to control the very idea of womanhood. Lindsay Parks Pieper explores sex testing in sport from the 1930s to the early 2000s. Focusing on assumptions and goals as well as means, Pieper examines...