"Many people don't understand there is some extreme outliers in terms of biological/hormonal makeup out there...in very, very, low percentages."

This is becoming more prevalent with the increasing use of industrial chemicals in agriculture that come through the food chain.
Scientists are finding frogs that comprise both genders and could technically inseminate themselves.

There has been a large rise in hermaphrodite babies and children whose gender does not become apparent until they reach puberty.
It may also explain the large rise in Gender Dysphoria and accordingly trans people.
Some of these female boxers with XY chromosomes may have been male fetuses that did not develop.

New Study Confirms Atrazine's Effects Across a Range of Species (Including Us)

"atrazine both "demasculinizes" and "feminizes" vertebrate male gonads.

" Put plainly: atrazine shrinks testicles, reduces sperm count, and can even make males grow ovaries. Or, as the authors put it, "demasculization" is a "decrease in male gonadal characteristics including decreases in testicular size, decreases in Sertoli cell number, decreases in sperm production, and decreases in adrogen production." Feminization of gonads is "the development of oocytes in the testes or complete ovarian differentiation in genetic males."

New Study Confirms Atrazine's Effects Across a Range of Species (Including Us) (nrdc.org)