What is the AFP Test? Why is it done?
The AFP test is an important blood test during pregnancy. Alpha-fetoprotein (AFP) is a protein produced by the livers of babies. This protein passes into the blood of pregnant women, and information about the development of the baby is obtained by measuring the level of this protein at certain periods of pregnancy. So, what exactly is the AFP test and why is it done? Let’s take a closer look at the details of this test.
What is the AFP Test?
The AFP (Alpha-fetoprotein) test is a test that measures the level of AFP in the blood of the expectant mother during pregnancy. It is usually performed in the second trimester of pregnancy and provides important information about the baby’s health status in the early stages. AFP levels rise and fall according to a certain standard during pregnancy, and these levels give clues about the health of the baby.
Why is the AFP Test Performed?
The AFP test is done for the early detection of certain birth defects in the baby. In particular, it plays an important role in the detection of neural tube defects(e.g. spina bifida), Down syndrome and abdominal wall abnormalities. Abnormal AFP levels indicate to doctors whether there is a need to perform additional tests on the baby’s development.
The purpose of the AFP test is to be able to detect potential problems early and, if necessary, to monitor the mother more closely throughout the pregnancy. However, the AFP test alone does not make a definitive diagnosis, but only helps to detect risky situations. When used in conjunction with other screening tests, clearer results can be obtained.
When is the AFP test done?
An AFP test is usually performed between the 16th and 22nd weeks of pregnancy. This is the ideal time to examine the baby’s development and detect possible birth defects. The timing of the test is important because doing it early or late can give inaccurate results.
How is the AFP Test Performed?
The AFP test is administered as a simple blood test. The blood sample taken from the expectant mother is sent to the laboratory and AFP levels are examined. There is no risk during the application of the test and it is usually completed within 10-15 minutes. Test results are usually available within a few days and can be evaluated with your doctor.
What do AFP test results mean?
AFP test results give important clues about the baby’s development and can be at normal or abnormal levels. A detailed evaluation of the test results helps the doctor to make the right decision. Let’s take a closer look at what AFP high and low mean.
What does AFP height mean?
If AFP levels are higher than normal, it could be a sign of some health problems. In particular, neural tube defects (such as spina bifida) can be associated with defects in the baby’s spine and brain structure. Other conditions include serious health problems such as anencephaly (failure of brain tissue to develop).
In addition, a high AFP may indicate that the mother is experiencing multiple pregnancies (twins or triplets). AFP levels are naturally higher in expectant mothers carrying more than one baby. In this case, the pregnancy is confirmed with extra tests and the results are evaluated accordingly.
In some cases, a high AFP level may indicate problems with the baby’s abdominal wall development. Especially in cases such as omphalocele, the abdominal organs can develop outside, which can increase the level of AFP. However, it should not be forgotten that a high AFP result is not a definitive diagnosis; In this case, your doctor may recommend additional tests.
What Does Low AFP Mean?
If AFP levels are lower than normal, this can also be a sign of certain genetic disorders. Especially in chromosomal abnormalities such as Down syndrome and Edwards syndrome, the level of AFP may decrease. Down syndrome is a condition in which the baby has an extra chromosome, and this is one of the risks that can be detected with an AFP test.
A low AFP may also indicate a calculation error related to the mother’s gestational age. If the gestational age is incorrectly calculated, AFP levels may appear lower than normal. Therefore, when low levels of AFP are detected, your doctor may reconsider the gestational week and clarify the situation with further tests.
In conclusion, AFP test results can provide important information about your baby’s health, but additional tests may be required to make a definitive diagnosis. It is safest to evaluate the test results together with your doctor and take the right steps.
Is the AFP test reliable?
The AFP test is a reliable method among screening tests, but it does not make a definitive diagnosis. It gives more meaningful results when evaluated together with other screening tests and ultrasounds. In some cases, the results may be false-positive or negative, so the test result should always be carefully evaluated with your doctor.
Who is the AFP Test Recommended For?
The AFP test is generally recommended for all pregnant women. However, this test may become more important for older mothers or families at risk of genetic disorders. If you’ve had a baby with birth defects before, or if you have a family history of genetic diseases, your doctor may specifically recommend this test.
What Should Be Done After AFP Test?
If the results are abnormal after the AFP test, your doctor may refer you for further tests. Based on the results of these tests, your pregnancy follow-up may be stricter and your baby’s condition can be closely monitored. It is important to be in constant communication with your doctor throughout this process for the health of both you and your baby.
How much does the AFP test cost?
Fees for the AFP test vary between healthcare facilities. Therefore, there is no standard price. You can contact a health institution near you and get information about the current AFP test Price.
Source: Cleveland Clinic
