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The only way to have paternity testing in pregnancy done, a few years back, was via two invasive procedures called amniocentesis and CVS (Chorionic villus Sampling). The main scope was to enter the womb, where fetal DNA was known to be most abundant, in order to collect a DNA sample of the unborn child.

By accessing the womb and extracting samples of amniotic fluid or chorionic villi, scientists would then go and do a paternity test.

Even though these fetal DNA sampling methods have been improved over the years and the risks have lessened, it still continues to be an uncomfortable procedure that can possibly lead to bleeding or a miscarriage.

How is it possible to determine paternity in pregnancy with only blood?

The presence of fetal DNA in the maternal blood stream was discovered about 30 years ago. With such low quantities of fetal DNA, they immediately encountered various challenges. The technology available in their time did not allow them to isolate and analyze the tiny quantities in the samples. It is only recently, using the latest technology available, that non-invasive prenatal paternity testing is available.

How do I go about getting a non-invasive paternity test done?

The good new about the non-invasive prenatal paternity test is that you will only need to visit your doctor or a nurse who can assist you with the simple blood draw. It is recommended to have the test done at the beginning of the 10th week of pregnancy, as Fetal DNA is normally present in higher volumes in the mother’s blood stream at that time. the company carrying out the DNA analysis will normally have samples pick up set up for you with a reputable courier company. Results can be obtained as quickly as 7 working days from when they reach the lab.

Is this test as precise and reliable as amniocentesis or chorionic villus sampling (CVS)?

The non-invasive paternity test in pregnancy is a highly scientific technique that is completely safe and risk free way for determining paternity. Submitting a simple blood draw from the expectant mother and from the alleged father or fathers is all that is needed to carry out the test. It is easy to imagine how come fetal DNA is found in the maternal blood as it is the mother who supplies oxygen and nutrients to the baby via her own blood. The fetal blood and the maternal blood come into contact with each other. This fetal DNA is found in the maternal blood in a cell-free DNA form (The fetal DNA in this case if free of the cell) or as in a nucleated form (The fetal DNA is still enclosed in cells). With the latest scientific technology, it is possible to extract 317,000 genetic markers out of alleged father’s DNA and out of the fetal DNA. This ensures accuracy and precision and in fact as accurate and any Amnio or CVS (Chorionic Villus Sampling) test. It is in fact easier to carry out, quicker and completely risk free.- we normally try to ensure the keywords appears in the last 65 characters

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