APA Dictionary of Psychology

a range of reconstructive and functional surgical procedures performed to help align an individual's physical body and anatomical characteristics with their affirmed gender. Gender-affirming surgical care can include chest surgery, genital surgery, facial feminization surgery, body contouring, or other anatomical or reproductive-related surgeries (e.g., hysterectomy, oophorectomy, vocal surgery). Gender-affirming surgery typically involves multidisciplinary gender-affirming care, and can be part of an overall treatment approach for gender dysphoria or gender incongruence. Historically called sex reassignment or gender reassignment surgery.