Tuesday 3 October 2017

What Are Prenatal Screening Tests?

Prenatal tests are a set of certain procedures that are done on expectant mothers during pregnancy in order to determine whether the baby has or is likely to have any kind of birth defects. It can be done in healthcare centers, maternity centers or gynaecological centers. You may want to visit the Best Gynecologist in Noida for a prenatal screening test. These tests are usually noninvasive, and are performed during first and the second trimesters, although some may be performed in during third trimester as well.

These screening tests do not provide you with a definitive answer. They can only let you know your probability or risk of having some particular condition. A diagnostic test can further provide you with a definitive answer.

Some of the prenatal screening tests are routine in nature, like tests for glucose tolerance, which checks for gestational diabetes. Women who specifically have a higher risk of giving birth to a child with some certain condition may be offered additional tests. For example, women who have lived in areas where tuberculosis is quite common are given tuberculin skin test.



When are prenatal test done?

During the first trimester, the screening test can begin from, as early as ten weeks. Mostly, they involve ultrasound and blood tests. The Gynaecologist in Noida suggests that getting a prenatal screening test in first trimester is important to check the baby for genetic condition, like the Down syndrome, and also other conditions including heart defects, and cystic fibrosis.

During the second trimester, the tests begins at around 14 and 18 weeks. It involves ultrasound and blood tests to check risk for neural tube defects and Down syndrome.


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