I think this person had some problems at birth, which may be partially genetic or maybe only physical. .
XY male raised as female. It happens. It’s rare.
Still should not be allowed to compete against women, even though it’s not the case of a dude deciding to say he’s a woman to be able to win in women’s sports.
Cue the Ancient Aliens guy saying: I’m not saying it’s aliens but it’s aliens, only change it to, “I’m not saying it’s a dude, but it’s a DUDE!