Pregnant women have to
undergo lot of pregnancy test during pregnancy. Double marker test is one of
such tests carried out during pregnancy. Double marker test helps to detect the
abnormalities in the unborn child. Read on to know more about double marker
Today, there are so many tests available for pregnant
women that sometimes it gets quite confusing. There is double marker test
available for those who suffer from Down’s syndrome. In fact it is detection of
pre-birth conditions of the fetus and is usually done after 14 weeks of
pregnancy up to 20 weeks. This test detects any kind of chromosomal
abnormalities that might occur after the conception occurs. This is not
completely unusual as it occurs in every 700 births.
Characteristics of Down’s Syndrome
People who have Down syndrome have slight to severe
- Eyes can incline upwards
- A single crease can be
seen running across the palm of the person
- Small hands
- Low set ears
- Prone to certain medical
conditions like heart problems, defects
in the digestive tract and sight and hearing problems
- Cause learning disability
- Life span is less
Why Double Marker Test is Significant?
Today we have various tests available and with double marker test you can detect whether Down’s syndrome is
present in your unborn or not. This is important for a woman if she gets
pregnant after 35. The probability of having a baby with chromosomal imbalance
or Down’s syndrome is likely for elderly pregnant women. It is advisable that
all pregnant women should go through this test so that she is sure that the
baby is completely normal.
There are different screening tests available in various
hospitals. One of the tests is carried out in 14 weeks of pregnancy and the
other in 20 weeks. These tests are either separate or combination of an
ultrasound and blood test. However, these are simply screening
tests and will tell you how high your risk is and nothing else. You will
come to know whether the baby you are carrying in your womb will have Down’s
syndrome or not.
There has been lot of debates regarding the accuracy of
these tests. However, they are considered pretty accurate and are referred by
the doctors as well. The accuracy also depends on how good the sonography
machine is and how talented and trained the test conductor is. In fact there
are so many factors that matter that it is very difficult to tell the exact
calculation and report.
Furthermore, the reality is that we have got a chance to
know whether or not our child is completely normal. So why not go through it to
Advantages of Double Marker Test
- It gives you time to think
and consult your doctor for another advanced test if your baby is detected
with Down’s syndrome.
- You can go through the
diagnostic test if double marker tests turn positive.
- You have good detection
- If your fetus is reported
positive after the screening test and you go for a diagnostic test finding
it to be true, you can go for pregnancy termination. If this test is done
earlier the complications of termination will be less and you can even
choose to end your pregnancy through suction termination.
Disadvantages of Double Marker Test
- It is expensive and
unaffordable for many.
If you find that the double marker test is available
and you would like to get it done, it is better you consult your gynecologist
before you do so. Ask your doctor as many questions as you want to undergo the
test when assured.
- It is available in
selected cities only.