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What is your blood type?
AB 5%  5%  [ 2 ]
AB- 5%  5%  [ 2 ]
A 20%  20%  [ 8 ]
A- 23%  23%  [ 9 ]
B 3%  3%  [ 1 ]
B- 8%  8%  [ 3 ]
O 18%  18%  [ 7 ]
O- 20%  20%  [ 8 ]
Total votes : 40

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Deinonychus
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21 Dec 2006, 2:41 am

I'm not sure, nut I think it's b-. 8)



SteveK
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21 Dec 2006, 10:18 am

Just so we don't give DM a swelled head, etc... Could everyne write a little message saying their blood type also. Seeing A so prominent in the last post was no big deal. I predicted it. A- is another story ENTIRELY! A is common, and A- is pretty rare. DM was A- and trying to prove merely that A was more likely to be autistic(or have aspergers, I forget which).

Steve



en_una_isla
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21 Dec 2006, 2:40 pm

SteveK, I am pretty shocked too at the number of A-.

I am A-, my AS son is A- as well.



scrulie
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21 Dec 2006, 2:45 pm

O negative.


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SteveK
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21 Dec 2006, 3:13 pm

en_una_isla wrote:
SteveK, I am pretty shocked too at the number of A-.

I am A-, my AS son is A- as well.


FORGET THAT! I am feeling LONELY! The only one with my blood type here. 8-( But HEY, FORGET THAT! It IS a rare blood type. But about 11 out of 18 are RH-!?!?!? I saw that kind of trend before. Now THAT is remarkable! BUT, as I said before, RH - is rare, most people that survive(Surprisingly, RH differences seem to cause more troubles than antibody ones!) that have it come from relatively limited blood lines, so there may be several traits they share. I guess the propensity for autism is one possible one.

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en_una_isla
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21 Dec 2006, 4:49 pm

It could also be that people who are Rh- are more likely to know their blood type, given the dangers involved (i.e. they cannot accept tranfusion from an Rh+ donor, and the risk of sensitization for females during pregnancy). I demand a thoroughly scientific investigation!

Now for some wild, unscientific speculation: if there is a link between Rh- factor and autism, perhaps the alleged explosion of autism in the population can be credited to the relatively recent ability to prevent Rh- mothers from losing their Rh+ offspring to hemolytic disease. Since the babies survive, they can grow up to develop and pass on the genetics traits of the mother.

And, if they do find some link between being Rh- and autism, they might try to blame it on the Rh-immune globulin given routinely to all Rh- mothers during pregnancy, and after the birth of an Rh+ child to an Rh- mother.



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21 Dec 2006, 4:57 pm

I don't know. I know it's the red kind though. :P


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21 Dec 2006, 5:02 pm

Yeah another B- here.

Weird I never knew it was rare :P


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kayetes
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21 Dec 2006, 5:37 pm

weird!

0- :)



lemon
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21 Dec 2006, 6:53 pm

A-
and my son is also negative (but not A), our 2 NT's (father and daughter) have positive blood, funny ...

but as you said when you have negative blood , you 'll be prone to look at a subject
talking about blood.



en_una_isla
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21 Dec 2006, 6:56 pm

Rho(D) Immune Globulin was first produced in 1968... I wonder if the rise in autism correlates at all?



scrulie
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22 Dec 2006, 6:03 am

http://www.rdos.net/eng/asperger.htm

This article mentions Rhesus negative in relation to autism.


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en_una_isla
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22 Dec 2006, 8:08 am

Well if there is a connection between Rh- factor and autism, it would make sense that there has been a spike in autism over the past 2 generations, as Rh- females in the developed world have been able to reproduce safely with little to no risk to their offspring, since the introduction of Rhogam. In other words, since 1968, the gene pool has been flooded with more autistic genes than ever before in human history (IF there is indeed a connection). Before medical technology intervened, nature had a built-in method, so to speak, to limit the reproductive capacity of Rh- females. If an Rh- woman, hundreds of years ago, unwittingly reproduced with an Rh+ male, she was doomed to lose some or all of her babies if she became sensitized.

For instance, in my case, were it not for Rhogam (and this doesn't even account for miscarriages I had, which could have sensitized me had I not received Rhogam), while my first 2 children would have been ok (they are Rh-) my third child (Rh+) could have sensitized me, giving my 4th child (Rh+) hemolytic disease. And if I had incurred a fetal death, I probably wouldn't have gone on to have a 5th (she too is Rh-)... and so on. Apply this to countless women over generations and you can see how the Rh- factor limited reproductive capabilities.



scrulie
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22 Dec 2006, 8:56 am

Just found this too about characteristics of people with RH-


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lemon
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22 Dec 2006, 5:54 pm

Quote:
For instance, in my case, were it not for Rhogam (and this doesn't even account for miscarriages I had, which could have sensitized me had I not received Rhogam), while my first 2 children would have been ok (they are Rh-) my third child (Rh+) could have sensitized me, giving my 4th child (Rh+) hemolytic disease. And if I had incurred a fetal death, I probably wouldn't have gone on to have a 5th (she too is Rh-)... and so on. Apply this to countless women over generations and you can see how the Rh- factor limited reproductive capabilities.


never thought about it... (well a little when having the Rhogam after the first of course, but never in terms of generations...)
my first was + , second - (i'm -)



Last edited by lemon on 23 Dec 2006, 6:06 am, edited 2 times in total.