How common is this? Any of these? 1 in 5? 1 in 20? 1 in 100? I asked because I’ve had a long week at work and I’m just mentally tired but curious. Ok, I googled.
Kleinfelter syndrome. 1/650-ish.
Turner syndrome. 1/2000-4000-ish
Ambiguous genitalia. 1/4500-ish.
(Actually, so far, more common...