Hmmmm what could be the common factor in this? That's right, BONES.Despite what pedos want people to think, young men and women continue to masculinize and feminize several years past puberty. Men's shoulders grow wider and most grow a bit taller until their early to mid twenties. Women's pelvises spread until their mid to late 20's.
It's why Jazz is looking more like a quarterback and why Milo Stewart is looking more pear shaped and feminine even after testosterone experimentation. Our species has a biological imperative that spits in the face of troonery. It's nuts how so many people don't see it and if they do, go along with it like it's okay to live in a fucked up clown world.
Sexual dimorphism is inherent in human reproduction, as it allows members of the opposite sex to be able to distinguish each other.
It's nice of them to provide more medical documentation of castrati though. Just like how we have leprosy in CA which allows us to get 4k photos, now we can get more information about castrati.