Conditions in which chromosomal sex is inconsistent with phenotypic sex, or in which the phenotype is not classifiable as either male or female, occur in 0.018% of the population
1.
The claim that 1.7% of the population is ‘intersex’
2 includes conditions which most clinicians do not recognize as intersex, and is often wrongly used to back up the ideological assertion that ‘sex is a spectrum’, or that biological sex is not dimorphic.
The philosopher Kathleen Stock points out that she would be considered as “intersex” under Fausto-Sterling’s “preposterously over-demanding conditions on sex category membership”, as she lost an ovary in early adulthood
3, which would count as “intersex” according to Fausto-Sterling.