Also called: Oestriol, E3, Pregnancy Estriol
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Unconjugated Estriol (uE3) is a form of estrogen produced mainly during pregnancy by the placenta and fetal liver. Measuring uE3 is an essential part of prenatal screening tests, especially the triple or quad marker test, to assess fetal well-being and chromosomal abnormality risk.
Why Is This Test Recommended?
This test is recommended for:
Prenatal screening
Assess placental function
Detect chromosomal abnormalities
Monitor high-risk pregnancies
Understanding Estriol (E3)
Low levels may indicate fetal growth restriction or chromosomal abnormalities, while normal levels suggest healthy placental function.
Who Needs This Test?
Pregnant women (2nd trimester)
High-risk pregnancies
How Do I Prepare for the Test?
No fasting required. Gestational age must be accurate for proper interpretation.
How Is the Test Performed?
A blood sample is collected from a vein in your arm.
What Do the Results Mean?
Low uE3: Possible fetal compromise or chromosomal abnormality
Normal uE3: Healthy pregnancy indicator
Frequently Asked Questions (FAQs)
Is this test done outside pregnancy?
Rarely; uE3 is primarily measured during pregnancy as part of prenatal screening panels.
Is it diagnostic?
No, screening only; abnormal results require confirmatory tests like amniocentesis or detailed ultrasound.
Does maternal age affect results?
Yes, maternal age is factored into risk calculations along with uE3 levels for accurate screening.
Is fasting required?
No, fasting is not required for the uE3 test.
Is repeat testing needed?
Sometimes; if initial results are abnormal or if gestational age dating was uncertain, repeat testing may be recommended.
Unconjugated Estriol is one of the markers used in second-trimester pregnancy screening. It is meant for:
Tapadia Diagnostic Centre in Secunderabad offers NABL-accredited Estriol Unconjugated (E3) Test test from a Blood sample(s). Oestriol, E3, Pregnancy Estriol is also prescribed for Abnormal bleeding, fetal movement changes, pregnancy concerns. Established in 1989, this doctor-led diagnostic centre ensures high accuracy. Home sample collection and walk-in facility available at our Secunderabad center. Pay at the centre with no advance payment. Book online or visit us.
Sree Ranganatha Swamy Devasthanam, Yapral, H.No. 5-3-1, Bhagat Singh Nagar, Yapral
Services: Lab, ECG
Branch Incharge: Mr. Praveen Gupta : 9848056578
59/1/2(6-1R-002), Karkana,Secunderabad-09
Services: Lab, X Ray, ECG
Phone No: 9281063662
Branch Incharge: Mr. ASHOK : 9246846874
6-1-103, Ground Floor, Padma raonagar, Secunderabad.
Services: Lab, X Ray, ECG, U/S Scan
Phone No: 9390110059
Branch Incharge: Mr. Suman- 8179607955
Estriol Unconjugated (E3) Test in Secunderabad
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