Rachel Sorrow (left), a transgender woman, attends a therapy session with Dr. Dan Karasic, a psychiatrist with the Center of Excellence for Transgender Health at San Francisco General Hospital in San Francisco on July 20, 2012. (Associated Press)

Photo by: Marcio Jose Sanchez

Rachel Sorrow (left), a transgender woman, attends a therapy session with Dr. Dan Karasic, a psychiatrist with the Center of Excellence for Transgender Health at San Francisco General Hospital in San Francisco on July 20, 2012. (Associated Press)