Investigation and verification of sex of women athletes in the Olympics is accomplished by studying the sexual chromatin on X-type chromosomes and by a fluorescent test for Y-type chromosomes. A karyotype and a clinical examination are made when these tests do not supply satisfactory information. Protection of the athlete's privacy is assured by the Medical Commission of the International Olympic Committee. The results obtained during the Ninth and Tenth Winter Olympic Games, as well as the methods used, have shown themselves to be satisfactory. The same techniques will be used by the Medical Commission of the International Olympic Committee in the 20th Olympic Games in Munich.
Hay E. Sex Determination in Putative Female Athletes. JAMA. 1972;221(9):998–999. doi:10.1001/jama.1972.03200220032008
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