[tri-med] amnio

Hi all,
 I need some advice. My daughter just told me she is
pregnant again. She has a two year old, Julian, that
has mosaic partial trisomy 1. She has never had
genetic testing done. The father of this baby is not
the father of Julian. I talked to my daughter about
having amniocentisis done and this is what she found
and sent me.........Suggestive screening test results.
It is increasingly common to screen pregnant women by
testing their blood for alpha fetoprotein (AFP) and
certain other substances. A high level of AFP suggests
a fetus with a neural tube defect (malformation of the
spinal cord or brain, such as spina bifida or
anencephaly). A low level of AFP and variations in the
other substances suggest a chromosome abnormality.
Amniocentesis can help detect neural tube defects by
measuring AFP in amniotic fluid, and can diagnose most
chromosomal abnormalities

PLEASE HELP AND TELL ME IF THIS IS RIGHT.And what are
the odds of her having another baby with trisomy??? My
grandson's genetisist told my daughter that what
Julian has was not passed on by her or his father. Can
he know this without having tested the parents??
 Thanks for listening to me go on and on. I'm just a
worried grandma I guess. But I have found I can get
more information from you guys than I can anyone else.
              Karen Grandma to julian, mosaic partial
trisomy 1


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