Final answer:
GIDC refers to Gender Identity Disorder, which is now replaced with Gender Dysphoria in the DSM-5. Hormone therapy is endorsed by WPATH for individuals with Gender Dysphoria.
Step-by-step explanation:
Based on the information provided, GIDC refers to Gender Identity Disorder, which is a controversial diagnostic term used to describe transgender and other people who do not conform to expected gender norms. However, in the most recent edition of the Diagnostic and Statistical Manual of Mental Disorders (DSM-5), the term has been replaced with Gender Dysphoria. Gender Dysphoria is a condition experienced by individuals whose gender at birth is contrary to the one they identify with. Hormone therapy is endorsed by the World Professional Association for Transgender Health (WPATH) as a legitimate treatment option for individuals with Gender Dysphoria.