[tri-med] Re: GINA~ tri children and reporduction

now i'm confused. i was told that are kids could be sterile too.. and yes i
know that triosmy's mosaic could have a normal child but could also have a
full triosmy too. i;ve read too of a lady having a triosmy 8 mosaic and she
got tested and found out that she was also trisomy 8 mosaic. . so the
trisomy can very.where thay can live on there own too just living in a home
too, gina son taylor triosmy 8 mosaic3 years old thanks alot
----- Original Message -----
From: "James Waite" <jwaite@xxxxxxxxxxxxx>
To: <tri-med@xxxxxxxxxxxxx>
Sent: Sunday, July 27, 2003 9:05 PM
Subject: [tri-med] GINA~ tri children and reporduction


> Gina~ this post may help with your trier reproduction quest for
information,
> it's one Karen did a while back.
>
> Michelle mom to Alex (16,partial trisomy 14 mosaic) and Molly (12)
> MichiganUSA
>
> >There are many of our mosaicers who have had
> > children.
> >
> > There are two ways of looking at this and I am not sure which one you
mean
> > so bear with me and I will try and answer it both ways without getting
> > technical or controversial.
> >
> > Just because a person has a chromosomal anomaly doesn't mean that they
> can't
> > physically have children. Even those children with full trisomies are
> quite
> > capable of becoming pregnant. And very sadly it has happened. I say
sadly
> > because it has happened as the result of abuse.
> >
> > Some chromosomal anomalies, for example Turners Syndrome (monosomy X),
> > Trisomy 21 etc usually have high incidences of infertility. However it
is
> > not an absolute fact and there have been cases where pregnancies have
> indeed
> > happened.
> >
> > Why most families don't think about it is because they are thinking of
the
> > developmental age of their children. But this attitude is changing, and
> > rather quickly.
> >
> > When I was growing up it would have been unheard of for a person with
any
> > sort of disability to live alone, let alone living with a partner or
> having
> > children. But these days its actually encouraged in many ways.
> >
> > There are a lot of supported units where couples can live very ordinary
> > lives, keep house, work and have children if they wish.
> >
> > I used to work for a private children's charity and one of their jobs
was
> to
> > support individuals with disabilities who had children of their own.
Tough
> > job for the workers sometimes!!
> >
> > The general thought these days is that if a person can care for
themselves
> > there is nothing to stop them caring for a child. They may need support,
> but
> > they, like the rest of us, are entitled to make their own decisions
about
> > marriage and having children.
> >
> > One of the concerns with children who have a trisomy is that they will
> pass
> > the condition on to their children. In the case of a person with "full"
> > trisomy this is absolute. Any child that they have would indeed have the
> > same trisomy. (the reality of course is that they would probably
miscarry,
> > but technically they would still be able to fall pregnant)
> >
> > With mosaicers its a bit more complex. It depends on how the gonads
> > (reproductive bits) are effected by the trisomy. With  a boy its
> > a little easier to tell. When he is older they will be able to take a
> sperm
> > sample and see if the sperm have a trisomy, don't have a trisomy or if
> there
> > is a mix - some sperm with and some without. They could test now - and
you
> > could ask - but chances are that they wouldnt do the test. Firstly it
> would
> > be invasive. Secondly it has no bearing on Taylors current treatment
> (unless
> > he were to have radiation therapy, certain types of chemo etc). And
> finally
> > as my geneticist told me - its none of my business :-))) I asked re Alex
> (of
> > course) and as she told me that is not my business but Alex's and his
> > decision to make when he is older :-))) Given the current state of
> possible
> > discrimination with the insurance industry regarding genetic information
I
> > now dont want to know!!!
> >
> > A person with mosaicism will NOT have a child with a mosaic trisomy.
Their
> > children will either have "full" trisomy or be completely "normal".
> > Percentages of risk will vary greatly depending on the person, but it
> would
> > be anywhere from 0 - 50% possibly 75% but unlikely to be that high.
> >
> > There are a few cases in the literature pertaining to T-18 regarding
this.
> > I remember being scared out of my wits when I first started researching
> T-18
> > to read of a particular case in NY. It came to the attention of the
> doctors
> > when one family had multiple pregnancies where all the babies had
> confirmed
> > full T-18. I think it was 3 or 4. When they tested the parents they
found
> > that one was actually a very high functioning T-18 mosaicer. The parent
> > never had any idea that there was something wrong. They lived completely
> > independently, held a steady job etc. This level of high functioning
> > mosaicism is of course rare we think, but may be less rare than we
> realise.
> >
> > More recently there was a case in the literature where a woman decided
to
> > have children - she had T-18 mosaic. She actually had a healthy child by
> > using pre-implantation diagnosis. That is where the egg is fertilised
> > outside of the womb and the fertilised egg is tested at 3(??) days old
to
> > make sure the chromosomes are OK and then implanted in the mothers
uterus.
> > Preimplantation biopsy has been stopped in Australia for the time
being -
> > but thats another story.
> >
> > In the other case a few years ago, it was the father who had T-18
mosaic.
> In
> > that instance he had a healthy child, but they used a sperm donor from
> > memory. They are short articles and I did promise to type them out for
> > folk - but have never gotten around to it. If anyone wants the job let
me
> > know.
> >
> > I also helped a family where the mum had Monosomy X mosaic (Mosaic
Turners
> > Syndrome) - she actually fell pregnant (easily) and had a child with
full
> > Turners Syndrome. She has since had a healthy child.
>
> >Reproduction for our children is possible now but who knows what
technology
> will be
> > around in 20 years??
>
>
>
>                   Building ___ooOOoo__ Rainbows
>                        www.trisomyonline.org
>                   Families Helping Families On-line
>


                  Building ___ooOOoo__ Rainbows
                       www.trisomyonline.org
                  Families Helping Families On-line

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