Description
Free Estriol
Sample Type:Serum
Tests Included:
Measurement of Free Estriol levels in the blood
Sample Required:
Blood sample
Test Time:
Results are usually available within a few days.
Test 
Range Values:
Normal free estriol levels vary based on pregnancy stage.
What is the test?
This test measures the level of free estriol, a hormone produced by the placenta during pregnancy, providing information about fetal health.
Test Proce
dure:
A blood sample is drawn from a vein, and the concentration of free estriol is measured in the laboratory.
When to take the test:
Typically done during the second trimester of pregnancy as part of prenatal screening or if there are concerns about fetal well-being.
Who should take the test:
Pregnant individuals, especially those undergoing prenatal screening for fetal abnormalities or monitoring high-risk pregnancies, might require a free estriol test.
Precautions for exceptional cases:
The test is specific to pregnancy, and its relevance outside pregnancy contexts is limited.
Frequently Asked Questions (FAQs) for Free Estriol:
Q1: What does low free estriol during pregnancy indicate?
A: Low levels of free estriol might indicate certain fetal abnormalities or issues with the placenta.
Q2: Is free estriol testing routine during pregnancy?
A: It’s often included as part of prenatal screening, especially for individuals at higher risk of certain birth defects.
Q3: Can free estriol levels vary during different stages of pregnancy?
A: Yes, levels usually increase steadily throughout pregnancy, with specific norms for each trimester.
Q4: Can factors like diet or medications affect free estriol levels?
A: Diet and medications typically don’t influence free estriol levels significantly during pregnancy.
Q5: Is free estriol testing sufficient to diagnose fetal abnormalities?
A: No, it’s used as part of a panel of tests for prenatal screening, and further diagnostic tests might be needed if abnormalities are suspected.
*Please note that specific testing protocols and guidelines may vary based on the latest recommendations from health authorities and regulatory agencies. It is essential to consult healthcare professionals and follow local testing guidelines for accurate and appropriate testing.
