In contrast, refers to those whose gender identity matches the sex they were assigned at birth. Gender-Affirming Healthcare

Individuals whose gender identity changes over time.

The term (often shortened to "trans") describes individuals whose gender identity does not align with the sex they were assigned at birth. While the global visibility of transgender and gender-diverse (TGD) people has grown, the community continues to navigate significant systemic barriers in healthcare, legal recognition, and social acceptance. Defining the Spectrum

Transgender is often used as an umbrella term that includes various identities:

People who do not identify exclusively as male or female; they may identify as both, neither, or somewhere in between.

Understanding the Transgender Experience: Identity, Healthcare, and Rights