From: Hans Aberg (haberg@math.su.se)
Date: Fri Sep 29 2006 - 05:30:27 CST
On 29 Sep 2006, at 09:04, Stephane Bortzmeyer wrote:
> On Thu, Sep 28, 2006 at 01:59:39PM +0200,
>  Hans Aberg <haberg@math.su.se> wrote
>  a message of 14 lines which said:
>
>> This standard is rather limited, as it does not admit indicating
>> various androgyny, transsexual and indeterminate sex conditions.
>
> Transsexual people do have a gender, it is just that they changed
> it. Nothing in ISO 5218 prevents to change the gender of a person.
The stuff in the Unicode character set seems mainly concerned with  
sexual preference, whereas I indicated the problem of medically  
defining physical maleness/femaleness. The transsexuality you mention  
is a sexual preference, which may sometimes result in a medically  
altered sex change.
But some individuals have a faulty gene, so that the baby is not  
exposed to testosterone during pregnancy, but during puberty. The  
baby starts of as a female at birth, but develops as a male during  
puberty.
> Androgyny is more complicated to handle.
So it may fall into the same category.
Another complication is that male and female humans both are exposed  
to testosterone and estrogen, but in different amounts, and both  
hormones are important for proper development. For example, estrogen  
during puberty is responsible for the body stop growing, which is why  
castrates do not stop growing. Testosterone is, to some extent,  
responsible of the sex drive, also in females. Females with  
heightened exposure to testosterone usually, as males, have shorter  
index finger than ring finger, which is statistically, but not  
individually, linked to lesbianism. It is unknown what causes  
sexually preference in the individual.
So, therefore, there are a number of cases with ambiguous physical  
sexual development, where one factor is the amount of exposure of  
these hormones, though that is only a part of the story.
I am not a medical expert on the subject. I just noticed that the  
Unicode standard seems to assume that mankind falls into two physical  
categories "male" and "female", with the possible exception of  
androgyny, then. This might be too limited. But I do not know how the  
subject should be resolved.
   Hans Aberg
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