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What do positive results on an amnio analysis indicate?
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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
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∙ 13y ago
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Can an amnio test while pregnant also tell you if your babys father was white or black?
They can do a DNA test with Amnio fluid. I think the test is like 3000 dollars though.
You have been assigned the task of constructing a protein. What type of building block would you see?
amnio acids
If a baby is being delivered at 37 weeks gestation is it best to have steroids a week before to help the baby's lung function?
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.
When is fragile x syndrome diagnosed?
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.
What is the medical term meaning two sacs that enclose the embryo and what are their combining forms?
The chorion and the amnion form the amniotic sac. Their respective combining forms are chorio- and amnio-.
If your baby has bilateral pyelectasis and in the earlier tests there was a low risk for Down syndrome - 1 in 4000 - then should you go for the amniocentesis?
no, i would not risk an amnio, the odds are your baby is fine.
Why is thirty-five the recommended age to begin amnio testing?
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.
What is normal range nuchal fold during second trimester screening?
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.
What happens to each of the functional groups on an amino acid when the amino acid becomes an ion?
That depends on the pH. Most times, the amnio group will be NH3+ while the carbonyl group will be COO-.
What is amnio puncture?
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.
Why might your baby's ultrasound show he had fluid in the neck?
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)
What are amnio acids?
Essentially, amino acids are what proteins are made up of. There are 20 different types of amino acids, 8 of which are essential to the human body, and can only be obtained through the food that we eat.
