I came across this a few years ago during a bout of gender angst. It made me think G3 is me ! It is from Dr Anne Vitales " The Gendered Self " It was a eureka moment for me. I discovered that although I wanted to be a girl since kindergarten - I was a secondary or late onset transsexual. This helped me to start dealing with the issue. Fortunately in the present day a late onset or secondary transsexual can access treatment. In the 1980's for instance only early onset or primary transsexuals could access treatment to transition ( in many cases).
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Group One (G1) is best described as those natal males who have a high degree of cross-sexed gender identity. In these individuals, we can hypothesize that the prenatal androgenization process--if there was any at all--was minimal, leaving the default female identity intact. Furthermore, the expression of female identity of those individuals appears impossible or very difficult for them to conceal.
Group Two (G2) is composed of natal females who almost universally report a life- long history of rejecting female dress conventions along with, girls' toys and activities, and have a strong distaste for their female secondary sex characteristics. These individuals typically take full advantage of the social permissiveness allowed women in many societies to wear their hair short and dress in loose, gender-neutral clothing. These individuals rarely marry, preferring instead to partner with women who may or may not identify as lesbian. Group Two is the mirror image of Group One.
Group Three (G3) is composed of natal males who identify as female but who act and appear normally male. We can hypothesize that prenatal androgenization was sufficient to allow these individuals to appear and act normally as males but insufficient to establish a firm male gender identity. For these female-identified males, the result is a more complicated and insidious sex/gender discontinuity. Typically, from earliest childhood these individuals suffer increasingly painful and chronic gender dysphoria. They tend to live secretive lives, often making increasingly stronger attempts to convince themselves and others that they are male.
As a psychotherapist I have found female identified males (G1) to be clinically similar to male-identified females (G2). That is, individuals in both groups have little or no compunction against openly presenting themselves as the other sex. Further, they make little or no effort to engage in what they feel for them would be wrong gendered social practices (i.e., the gender role assigned at birth as the basis of authority). Although I have seen some notable exceptions, especially in male-identified females, these individuals--at the time of presentation for treatment--are rarely married or have children, are rarely involved in the corporate or academic culture and are typically involved in the service industry at a blue- or pink-collar level. With little investment in trying to live as their assigned birth sex and with a lot of practice in living as closely as possible to their desired sex, these individuals report relatively low levels of anxiety about their dilemma. For those who decide transition is in their best interest, they accomplish the change with relatively little difficulty, particularly compared to G3, female-identified males.
The story is very different for Group Three. In the hope of ridding themselves of their dysphoria they tend to invest heavily in typical male activities. Being largely heterosexual, they marry and have children, hold advanced educational degrees and are involved at high levels of corporate and academic cultures. These are the invisible or cloistered gender dysphorics. They develop an aura of deep secrecy based on shame and risk of ridicule and their secret desire to be female is protected at all costs. The risk of being found out adds to the psychological and physiological pressures they experience. Transitioning from this deeply entrenched defensive position is very difficult. The irony here is that gender dysphoric symptoms appear to worsen in direct proportion to their self-enforced entrenchment in the male world. The further an individual gets from believing he can ever live as a female, the more acute and disruptive his dysphoria becomes.
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I hope that helps others. It helped me deal with the whole predicament !
Kind regards, Kirsten.