Complex sentence: In most cases, this sex of rearing is concordant with the person's gender identity, but in the case of some transgender or intersex individuals, the gender identity may not match the sex of rearing.
Split into simpler sentences: In most cases, this sex of rearing is concordant with the person's gender identity. However, it is clear that in the case of some transgender and some intersex individuals, the gender identity may not match the sex of rearing.