Screening For The Risk Of Preterm Birth With The Fibronectin Test

Preterm birth is one of the dangerous complications of pregnancy that no one wants to happen. Babies born preterm are at high risk for severe respiratory syndrome, cerebral palsy, seizures, ..
Therefore, screening for the risk of preterm birth is extremely necessary to take timely preventive measures. And the Fibronectin test is a method to help detect the risk of preterm birth in pregnant women

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Methods to screen for the risk of preterm birth
To detect the risk of preterm birth in pregnant women, there are currently two main types of screening tests that measure cervical length by ultrasound and fetal fibronectin screening for fetuses. Depending on the condition of the body, pregnant women will be assigned the most appropriate test method.
For ultrasound cervical length measurement: the doctor will check the length of the cervix if it starts to thin or expand, the likelihood of preterm birth is higher In addition, this method allows doctors to monitor abnormalities of the cervix to give the most appropriate advice.




The Fetal Fibronectin (fFN) screening method is often used for women who have contractions or other symptoms of preterm birth. If the test is positive, the doctor will give instructions on how to take the medication so that the woman can delay labor.
Premature birth is one of the complications that no pregnant woman wants to happen
What is fibronectin?
Fetal fibronectin (fFN) is a protein produced during pregnancy. It is produced by the cells at the edge of the amniotic sac and uterus, attaching the amniotic sac to the lining of the uterus. The amniotic sac surrounds the developing fetus within the mother's womb.
Doctors use the fetal fibronectin test to check the risk of a woman having a premature birth. Preterm delivery is a gestation that occurs before 37 weeks of pregnancy A normal pregnancy lasts about 37-40 weeks.




If fFN is positive, the risk of a woman's preterm birth will increase within the next 7-14 days.
How is the test applied?
The Fibronectin test will be used for pregnant women between 22 and 35 weeks of pregnancy and signs of preterm birth. Doing this test will help predict the likelihood of preterm labor.
Accordingly, symptoms that suggest the possibility of premature birth in women such as the appearance of uterine contractions, changes in vaginal discharge, cervical dilatation, ... The test through the Fibronectin test will help The early pregnancy recognizes the ability to give birth prematurely to decide the best treatment.
The fact has proved that premature birth will cause serious complications for children.



Babies born less than 37 weeks early often experience breathing problems such as shortness of breath and difficulty breastfeeding. Meanwhile, the lungs and other organs in the young body are not mature enough, leading to the inability to function normally, leading to serious health problems.
So, predicting the ability to give birth early will help pregnant women consider whether treatments should be delayed. Moreover, if the results are good, women will feel more secure about a healthy pregnancy.
Who applies the test
Not all pregnant women are required to perform the fFN test, for normal healthy mothers, this test is not necessary.
But for pregnant women with symptoms or a high risk of preterm birth, the Fibronectin test should be done. Accordingly, the subjects applied the test if the symptoms appear:
Back pain and cramps
Stomachache
Changes in vaginal discharge
Dilation (opening) of the cervix and cervix
Pelvic pressure
The uterus contracts (pain)
Based on signs the mother will be elected to vote fFN test or not
In some cases, doctors perform fFN testing for women at high risk of preterm birth. These women can be tested even when there are no signs of preterm labor.



In addition, factors that increase your risk of preterm birth include:
History of premature birth or some surgeries on your cervix or uterus
Lifestyle factors, including smoking during pregnancy and low weight before pregnancy
Cervical short
Short intervals between pregnancies
Vaginal bleeding during pregnancy
Time of appointment of Fibronectin test
The time of assigning Fibronectin test takes place from 22 to 35 weeks of pregnancy. The test may be repeated after 2 weeks if the first result is negative but symptoms persist and last for 7-14 days. Therefore, tests can be performed many times because each result is usually only valid for 7-14 days later.
What needs to be prepared for the fFN test
Several factors can make fetal fibronectin testing less accurate. To avoid false-positive results, pregnant women should avoid the following issues before conducting a test:
Use products such as lubricants, soaps, lotions, or douches
Pelvic exam or pelvic ultrasound
Having sex for 24 hours before the test
How is the Fibronectin test done?
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