The purpose of this paper is to reconsider ethically the Gender Verification Regulation, then to propose an ethically rational means. The points of reconsideration are (1) the irrationality of sex differentiation in competitive sports, (2) the possibility of defamation of character and an invasion of privacy, (3) necessity for informed consent, and (4) the athletes' right to equal respect and concern.
Proposals here are as follows:
1) The host international sport organizations require every single athlete who will entry to participate in women's event, to hand in her national medical certification issued by each national sport organization.
2) Some winning athletes or athletes by random sampling in women's event take only the first test of sex chromosome, which can exclude an impersonator or a transsexual athlete, in order to give proof of the acuracy of their national certification issued.
3) A close examination should not be executed just because sex chromosome abnormality can not select by oneself, even though a few suspect athletes were identified,