When someone, normally a transgenderPeople whose gender identity or gender expression is different to the sex they were assigned at birth. person, is perceived as cisgenderWhen a person’s assigned sex at birth matches their gender identity and expression. instead of the sex they were assigned at birth. For example, when a transgenderPeople whose gender identity or gender expression is different to the sex they were assigned at birth. woman is perceived to be a cisgenderWhen a person’s assigned sex at birth matches their gender identity and expression. woman.