"Gender verification of female athletes has long been criticized by geneticists, endocrinologists, and others in the medical community. Problems include invalid screening tests, failure to understand the problems of intersex, the discriminatory singling out of women based only on laboratory results, and the stigmatization and emotional trauma experienced by individuals screened positive."
(Excerpt taken from "Gender verification of female Olympic athletes" https://pubmed.ncbi.nlm.nih.gov/12370551/)