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All about Pregnancy Test (Part 2)

15 July 2010 One Comment

Part 1
All about Pregnancy Test (Part 2)

5. Nuchal Translucency Screening.

nuchal scanIt performed at the age of 11-14 weeks gestation. See the clarity of the area around the network behind the fetal neck by ultrasound equipment. Abnormality is when there is more fluid in the back of the neck so that it looked no larger clear space in that area than normal babies. This test is safe, no risk of causing miscarriage.

Objective: To identify whether infants at risk of Down syndrome. However, these tests often show less accurate results because only view the results of ultrasound. If the positive test results still need further investigation through laboratory examination-Free beta-hCG and alpha-fetoprotein-to prove whether the baby is really suffering from Down syndrome.

6. Chorionic Villus Sampling (CVS).

Performed between 10-12 weeks gestation, or no later than age 13 weeks. Examination by inserting a tube through the vagina into the cervix (neck of the womb) with ultrasound guided tool to retrieve a sample from the placenta. The risk of miscarriage when done on the examination of about 1-2 percent, so this test is usually performed on pregnant women who did have a lower risk of genetic or chromosomal problems in the baby.

7. Alpha-Fetoprotein (AFP).

It performed 16-18 weeks of gestation. Taking a blood sample, usually are from a vein in your hand. This test is safe, but proved false results are common, so this test should not stand alone. Therefore, regular examination of alpha-fetoprotein coupled with laboratory examinations free beta-hCG.


To determine the amount of alpha-fetoprotein are bound by the sex hormone in the blood. When hormone levels are high, it’s mean the child has a system of neural tube defects. Free beta-hCG tests performed as a continuation of Nuchal Translucency Screening. Blood tests are carried out concurrently with alpha-fetoprotein test to determine whether positive infants suffering from Down syndrome.

8. Pregnancy Diabetes Screening.

It’s usually done during 24-28 weeks of gestation. However, if you have a history of diabetes, the test is performed at 13 weeks gestation. Approximately 2-3 days before doing this test, you are required to eat a high carbohydrate diet and then fasted overnight or about 8 hours before the test is performed. Fasting blood results is tested, then you are given a beverage containing glucose. Two hours later you re-tested blood.

To find out are you suffering from gestational diabetes pregnant women that can be experienced even if you don’t have history of diabetes? If you found that gestational diabetes can cause your baby is born with excess weight, then you will be asked to do a diet, regular exercise and regular blood tests to monitor your condition. Some pregnant women even require insulin injections to cope.

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