[kstrauser]

This argument devolves to "we can't let women compete until we dissect them".

At what point in a woman's competitive career do we decide that she's sufficiently talented that we have to examine her body and approve of her gender expression? Is it reserved for Olympic athletes? Or do talented college women need approval? Skilled high school students? A surprisingly good tee ball player?

Down this path lies madness.

You keep saying they're males as though it were fact and not your personal opinion. That's not at all a factual statement. Every bit of public information about these women says that they're women. Misgendering them isn't transphobia because they're not trans. They're cis woman and have been their entire lives.

[dispin]

Athletes competing on an elite level should certainly have their sex verified. In almost all cases this will be less intrusive than the anti-doping tests they're required to do; a simple cheek swab is sufficient for screening via karyotype analysis. And the blood samples already taken for drug testing can be used to measure testosterone levels for this purpose.

Only if there is an anomaly might further investigation be done, with the athlete's permission. No dissection is needed - at most some imaging to determine internal anatomy may be done by medical experts.

This is already the policy adopted by some sporting bodies, and was essentially the process used with the athletes I mentioned in my earlier comments to observe that the sex of each is male.

Ideally this would be done as early on in an athlete's career as is practical. It only needs to be done once, as a person's sex cannot change, and for most will be a straightforward confirmation of what is already known. Otherwise, it's better for the athlete too, to know sooner rather than later if there has been any anomalous development.

I would suggest you examine the public information on the aforementioned male athletes more closely. In particular, 5-ARD is an indisputably male condition; the mutations in the SRD5A2 gene that cause this have no effect on female sexual development. This is fact, not opinion.