indicate the presence of a fetal defect, with an accuracy approaching 100%. With such a diagnosis, prospective parents face emotionally and ethically difficult choices regarding prenatal treatment options
They can do a DNA test with Amnio fluid. I think the test is like 3000 dollars though.
Your choices would be to have an amnio to check for lung maturity or just have the injection. Since the amnio presents risks of it's own I would suggest having the steroid injection as a safeguard to your baby's health if this is what your doctor recommends.
Fragile X can be diagnosed at any time, at 1 month, 2 years, 10 years, 40 years or 70 years. It can be diagnosed prior to birth through amnio or cvs. When testing for fragile x it is important that the correct test is ordered, the FMR1 DNA test (Southern Blot with PCR analysis). Chromosome analysis should not be used for Fragile X testing, it has proven unreliable, too many false negatives.
The chorion and the amnion form the amniotic sac. Their respective combining forms are chorio- and amnio-.
that is the age at which the risk of carrying a fetus with such a defect roughly equals the risk of miscarriage caused by the procedure--about one in 200.
no, i would not risk an amnio, the odds are your baby is fine.
Under 3 mm is considered within normal range. These measurements are combined with additional blood hormone levels, put into an equation and that spits out a probablitiy of carrying a baby with defects. Usually if your chance is below 1/250 then you don't go onto doing a cvs or amnio - if it is higher, a CVS between 11-14 weeks and amnio after 18 weeks is recommended.
An amniocentesis, or Amniotic fluid test (AFT) is used to detect chromosomal abnormalities. A very safe, commonly used test, capable of generating a great deal of information.
I think you had a nuchal scan, done at around 12 weeks. This measures the fluid at the back of the neck and MAY, only MAY be an indication of Down's syndrome. You will probably be offered an amniocentesis which will give a diagnosis. A friend of mine had twins, both of whom had positive signs. She had a double amnio, both of which were negative and her babies are fine, (now about 1 year old)
no . i have a beautiful child with down's and nothing was ever mentioned about checks of the heartbeat. i was under the impression this could only be positively diagnosed through amnio
Probably nothing. 35 year old (and older) moms have perfectly healthy babies all the time. That being said, being over 35 increases the chances of some chromosomal abnormalities, and if you are concerned you can have tests done. The initial blood test most women have, the quadruple screen, has a high false positive rate, but if you are concerned by the results you can have an amniocentesis or CVS (chorionic villus sampling) done. The amnio and cvs are invasive, and increase the chance of miscarriage slightly. Older age also increases the risks of all pregnancy complication, including preeclampsia and gestational diabetes in the mother. These can cause growth problems in the baby. It is important to get good, regular prenatal care if you are over 35.
to permit the exchange of nutrients and waste between the blood and tissue cells substances such as oxygen, vitamins minerals and amnio acids passes through the tissue fluid to nourish the nearby cells and substances such as carbon dioxide and waste are passed out of the cells.