The decision by the American Congress of obstetricians and gynaecologist that women should go to screening tests for Aneuploidy
It is a screening test for every type of woman No matter how old they are, every pregnant woman before 20 weeks of pregnancy should go for the test.
the disease is aneuploidy transpires due to the abnormal number of chromosomes and it can become the reason for down syndrome.
When Technology was not that developed usually medical practitioners use the notion of women’s age and pregnancy history to determine whether they will develop down syndrome or not.
We have a better screening test facility available now pregnant women go for screening rather than just assuming that they can develop or not.
The year 1997 was a significant year , As in the field of DNA
analysing, determining genetic issues related to development comes about. The offspring can develop any genetic issues such as down syndrome.
screening test formulated which is a small component of DNA found in Mother’s bloodstream. It is called cell free ‘fetal DNA’ , driven from the placenta. It is utilize to find the answer of genetic abnormalities.
DNA testing which the help of maternal blood will help the doctor to understand the probability of any genetic issues like
- Trisomy 21 which is known as Down’s syndrome
- Trisomy 18 which is also called Edwards’ syndrome
- Trisomy 13 which is popularly known as Patau’s syndrome
Let’s see if DNA testing has any advantages or not?
- It is one of the secure ways of testing genetic abnormalities.
- it is a non-invasive test popularly known as non-invasive prenatal testing.
- It can be obtained with the help of a blood sample of the mother.
- Test like chorion biopsy, it is an invasive test which requires a sample of the membrane around the placenta, even there is one percent chance of miscarriage.
It is precisely able to analyze the chance of developing Down’s syndrome, Patau’s syndrome and Edwards’ syndrome.
If we look at the disadvantages of these DNA tests
- You have to keep in mind that this test is not a solution for everything as it will not be able to detect all chromosomal related issues or genetic diseases.
The best thing about the DNA analysis from the mother’s blood is that it’s not invasive and quite an efficient way to identify the diseases of genetics. Although the accuracy can be little concerning as it will not be hundred percent accurate. More technological advancement is needed to more accurately analyze chromosome related or genetic issues.
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