Interesting links here
Rubber glove natural rubber, latex, nitrile, vinyl, neoprene, pvc
Sex verification in sports, List of intersex Olympians
Differences/Disorders of sex development (Intersex 雙性人): Complete androgen insensitivity syndrome (Androgen insensitivity syndrome), XY gonadal dysgenesis (Swyer syndrome) XY性腺發育不全
Paris Olympics row over Imane Khelif gender: What’s the sex development disorder that some girls are born with?
Olympic boxing and disorders of sex development