Normal value of sugar screening

Normal value of sugar screening

Every pregnant woman needs to do a check-up like Down syndrome screening after she becomes pregnant, so that there will be no abnormalities in the fetus in her belly. In addition, if you find that the value is not within the normal range after the Down syndrome screening, you must go for the next check-up. You cannot be lucky, because if a child is born with Down syndrome, it cannot be cured.

Down syndrome screening test is the abbreviation of prenatal screening test for Down syndrome. The purpose is to determine the risk of the fetus suffering from Down syndrome by testing the pregnant woman's blood. If the Down screening test results show that the fetus is at a higher risk of suffering from Down syndrome, further confirmatory tests should be carried out - amniocentesis or chorionic villus sampling.

Young pregnant women under the age of 34 should undergo Down syndrome screening, which can be performed between 15 and 20 weeks of pregnancy, and preferably between 16 and 18 weeks. Pregnant women who are over 34 years old, women with Down syndrome in their family, and women who have given birth to children with Down syndrome are already at high risk, so they do not need to undergo Down syndrome screening and should go directly to amniocentesis or chorionic villus sampling.

Down syndrome screening is a safe and convenient test that poses no risk to either the pregnant woman or the fetus. The test is done by testing the concentration of alpha-fetoprotein (AFP) and human chorionic gonadotropin (β-hCG) in the pregnant woman's blood, so the pregnant woman only needs to draw a little blood for the test and there is no danger.

Currently, the Down syndrome screening test tests the concentration of alpha-fetoprotein (AFP) and human chorionic gonadotropin (β-hCG) in the pregnant woman's blood, and combines it with the pregnant woman's age to use a computer to accurately calculate the risk of each pregnant woman carrying a fetus with Down syndrome. The normal value of alpha-fetoprotein should be greater than 2.5MoM. The lower the test value, the higher the chance that the fetus will suffer from Down syndrome. The higher the level of chorionic gonadotropin, the higher the chance that the fetus will have Down syndrome.

In addition, the doctor will input the alpha-fetoprotein value, human chorionic gonadotropin value, as well as the pregnant woman's age, weight, and weeks of pregnancy into the computer, which will calculate the risk of the fetus developing Down syndrome. If the test results show that the risk is lower than 1/270, it means that the risk is relatively low and the chance of the fetus developing Down syndrome is less than 1%. However, if the risk is higher than 1/270, it means that the fetus is at high risk of disease and further amniocentesis or chorionic villus sampling should be performed.

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