I was looking through the newest WPATH standards of care and saw this:
There is no required minimum number of psychotherapy sessions prior to hormone therapy, the real-life experience, or surgery, for three reasons: 1) patients differ widely in their abilities to attain similar goals in a specified time; 2) a minimum number of sessions tends to be construed as a hurdle, which discourages the genuine opportunity for personal growth; 3) the mental health professional can be an important support to the patient throughout all phases of gender transition.
So, does this mean I don't need 3 months (or 12 sessions) of therapy to go on T? The endo I will see requires a therapist letter though... Hmm...
Further down though it says this under eligibility criteria:
3. Either: a. A documented real-life experience of at least three months prior to the administration of hormones; or b. A period of psychotherapy of a duration specified by the mental health professional after the initial evaluation (usually a minimum of three months).