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Prenatal Alpha Thalassemia Mutation Screening (3 Common Mutation) Test

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Prenatal Alpha Thalassemia Mutation Screening (3 Common Mutation) Test

Short Name: Prenatal Alpha Thalassemia Mutation Screening

Also known as: Alpha Thalassemia Genetic Screening, Prenatal Thalassemia Mutation Test

Prenatal Alpha Thalassemia Mutation Screening (3 Common Mutation) Test test available at DNA Labs India for ₹7,500. Uses End Point PCR on Peripheral blood, Amniotic Fluid, Chorionic Villi, Cord blood samples. Results in 10-12 days. Free home collection in 300+ cities across India.

Genetic TestPrenatalFetus🏠 Home Collection

✍️ Written By

🩺 Medically Reviewed By

Dr SULOCHANA HEMCHANDRA HOLLA

Dr SULOCHANA HEMCHANDRA HOLLA

Consultant Medical Geneticist · Reg: 8532

Last reviewed: September 7, 2026

Overview

The purpose of this test is to identify whether a fetus has inherited alpha thalassemia mutations from the parents, enabling early diagnosis and management to prevent severe health complications.

Test Code
3167
Price
₹7,500
Sample Type
Peripheral blood, Amniotic Fluid, Chorionic Villi, Cord blood
Result Time
10-12 days
Fasting Required
No
Method
End Point PCR
Step 1

Sample Collection

Consult with a healthcare provider for prescription and guidance. No specific preparation required.

Method: As per sample type (e.g., venipuncture, amniocentesis)

Step 2

Laboratory Analysis

Sample collection is performed by a trained professional. For amniocentesis or chorionic villi sampling, ultrasound guidance is used.

Step 3

Report Delivery

Apply pressure to the collection site if blood is drawn. Rest and avoid strenuous activity if invasive procedures are done.

Timeline: 10-12 days

Patient Instructions

1
Before the Test:Obtain a doctor's prescription if required. Discuss family history and risks with a healthcare provider.
2
During the Test:Sample collection is minimally invasive for blood draws; invasive procedures like amniocentesis may involve slight discomfort.
3
After the Test:Resume normal activities unless advised otherwise. Await results and schedule genetic counseling.

About This Test

Who Should Get This Test

The purpose of this test is to identify whether a fetus has inherited alpha thalassemia mutations from the parents, enabling early diagnosis and management to prevent severe health complications.

How to Prepare

  • Ensure proper identification and labeling of samples
  • Use sterile containers as specified
  • Transport samples at ambient temperature unless otherwise indicated

Doctor's Notes

Reviewed by — MBBS, MD (Medical Genetics) · Reg. No. 8532

"This test is crucial for early detection of alpha thalassemia in high-risk pregnancies, allowing for informed management and genetic counseling."

Last medically reviewed: September 7, 2026

Test Parameters & Specifications

Sample TypePeripheral blood, Amniotic Fluid, Chorionic Villi, Cord blood
Sample VolumeAs required
ContainerSterile container, Sterile Normal Saline Container, EDTA Vacutainer (2ml)
Collection MethodAs per sample type (e.g., venipuncture, amniocentesis)

Sample Stability

Peripheral blood: Stable for 48 hours at 2-8°C
Amniotic fluid: Stable for 24 hours at 2-8°C
Sample Rejection Criteria:
  • Hemolyzed samples
  • Insufficient sample volume
  • Contaminated or mislabeled samples

Understanding Your Results

Results indicate the presence or absence of common alpha thalassemia mutations. Genetic counseling is recommended for understanding implications.
📊

No mutations detected

Normal, no alpha thalassemia mutations found

📊

One gene deletion detected

Carrier of alpha thalassemia trait, usually asymptomatic

📊

Two gene deletions detected

Alpha thalassemia trait or disease, may require monitoring

📊

Three gene deletions detected

Hb H disease, potential for moderate to severe anemia

⚠️ When to Consult a Doctor:

Consult a doctor if results indicate mutations, for genetic counseling, or if there are concerns about fetal health.

Limitations

  • ⚠May not detect all rare alpha thalassemia mutations
  • ⚠Requires genetic counseling for interpretation
  • ⚠False negatives possible in early pregnancy

Risks & Considerations

  • ●For amniocentesis: risk of miscarriage (about 0.1-0.3%)
  • ●For chorionic villi sampling: risk of infection or limb defects
  • ●General risks: bruising or infection at blood draw site

Interfering Factors

  • ●Sample contamination
  • ●Improper sample storage
  • ●Maternal cell contamination in fetal samples

Compare With Similar Tests

TestPrenatal Alpha Thalassemia Mutation Screening (3 Common Mutation)
ComparisonPrenatal Alpha Thalassemia Mutation Screening (3 Common Mutation)

Frequently Asked Questions

What is Prenatal Alpha Thalassemia Mutation Screening?
It is a genetic test to detect common alpha thalassemia mutations in a fetus, helping to diagnose inherited blood disorders early.
Why is this test recommended?
It is recommended for couples with a family history of thalassemia, high-risk ethnicity, or abnormal prenatal findings to assess fetal health.
What samples are required for the test?
Samples can include peripheral blood, amniotic fluid, chorionic villi, or cord blood, collected based on gestational age and clinical need.
How is the test performed?
The test uses End Point PCR technology to analyze DNA from the sample for specific gene deletions associated with alpha thalassemia.
What are the risks of the test?
Risks are minimal for blood draws; invasive procedures like amniocentesis carry a small risk of miscarriage or infection.
How long does it take to get results?
Results are typically available within 10-12 days after sample collection.
What do the results mean?
Results indicate the presence or absence of mutations. No mutations means normal; mutations may indicate carrier status or disease, requiring genetic counseling.
Is genetic counseling necessary?
Yes, genetic counseling is highly recommended to interpret results and understand implications for pregnancy and family planning.
How accurate is the test?
The test is highly accurate using advanced PCR technology, but no test is 100% foolproof; false negatives are possible.
Can the test detect all alpha thalassemia mutations?
It screens for three common mutations; rare mutations may not be detected, so additional testing might be needed.
What is the cost of the test?
The test costs INR 7500, with free home sample collection available across India.
Is home sample collection available?
Yes, DNA Labs India offers free home sample collection for this test in numerous cities across India.
Worried about the process? Our certified phlebotomists collect thousands of samples every month across India. The process takes under 5 minutes and is virtually painless. Questions? Message us on WhatsApp — we're here 7 days a week.

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For Hospitals & Clinics

Reference Laboratory Services

We serve as a reference laboratory for hospitals and clinics across India. Send samples from your facility with same-day pickup, priority processing, and results delivered through our online portal. Competitive institutional pricing available.

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Your medical data is protected under Indian law.

✓ Stored in India: All patient records are stored on servers located in India. No data is transferred outside the country.

✓ DPDP Act Compliant: Under the Digital Personal Data Protection Act 2023, you can request deletion of your records at any time by contacting support.

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