PaternitySAFE NIPT Test: Non‑Invasive, Accurate, and Confidential Prenatal Paternity Screening
Many expectant parents ask, “Can you do a paternity test during pregnancy?” The answer today is yes — safely and without risk to the baby. Modern technology allows us to determine biological fatherhood before birth using a non‑invasive prenatal paternity test based on fetal DNA in maternal blood.
What Is the PaternitySAFE NIPT Test?
The PaternitySAFE NIPT is an advanced non‑invasive prenatal paternity test that works by extracting and analysing cell‑free fetal DNA (cffDNA) from the mother’s blood and comparing it with the alleged father’s DNA. Unlike traditional paternity testing methods that required invasive procedures (like amniocentesis with a long needle), PaternitySAFE uses a standard blood draw from the mother and a cheek swab from the potential father.
This test identifies whether a tested man is or is not the biological father with extremely high confidence — typically over 99.9% accuracy when laboratory protocols are followed.
How It Works
- A simple blood sample is collected from the pregnant woman.
- A DNA cheek swab is taken from the alleged father.
- The laboratory isolates the fetal DNA fragments from the maternal blood.
- Advanced genetic sequencing compares the baby’s DNA against the father’s to confirm biological paternity.
Key Benefits of the PaternitySAFE Test
- 100% non‑invasive and risk‑free for mom and baby — no risk of miscarriage from the test itself.
- Early testing possible — most providers can collect samples from around 7–9 weeks’ gestation.
- Optional fetal gender identification during the same testing process.
- High accuracy — analytical sensitivity and specificity rates over 99.9% in validation studies.
- Results are typically delivered confidentially within 7–15 working days, depending on the lab and test package chosen.
What Makes PaternitySAFE Different?
Until recently, prenatal paternity confirmation could only be done through invasive sampling (like amniocentesis), which carries a small risk to the fetus. PaternitySAFE and similar NIPT‑based tests are safer because they only require a mother’s blood draw and father’s DNA swab — no needles near the womb and zero risk to the baby.
Accuracy and Limitations
While PaternitySAFE is extremely reliable, a small margin of error still exists due to biological or technical factors such as:
- Low fetal DNA fraction in the maternal blood sample
- Closely related male relatives as potential fathers
- Specific twin or multiple pregnancies with shared placental DNA patterns
Because of these factors, it’s important to discuss any clinical or genetic considerations with your healthcare provider before testing.
Confidentiality and Reporting
Results and personal genetic data are treated with strict confidentiality. Accredited laboratories follow robust privacy and quality standards to ensure test security and ethical handling of sensitive information.
Why This Matters for Expectant Parents
PaternitySAFE gives families answers early in pregnancy, helping with emotional peace of mind, planning, family discussion, and legal clarity if needed — all without risk to mother or child. Non‑invasive prenatal paternity testing is one of the safest ways to confirm fatherhood before the baby is born.
Additionally, we can include an ultrasound in our package to confirm weeks of gestation and a viable pregnancy to draw blood from the mother.
- If you want a paternity test before your test, our test is the best non-invasive method.
- Tests for 2 Potential fathers
- Confirm the father's identity before birth
Non-invasive (no risk to your baby)
- The test can be performed from 7 weeks of gestation
- Gender can be confirmed (Optional Extra Costs, please discuss with the Healthcare professional )
- Uses a maternal blood sample and a cheek swab from the father
- Uses state-of-the-art next-generation sequencing (NGS)
- Over 99.9% accurate
- A Quick Viability Scan is offered till 15 weeks of Pregnancy as Optional extras - £50
- Results in 2 to 3 weeks time .
To contact us for more information on these blood tests, call 📞 01138301371 to speak with the Healthcare Professional
Frequently Asked Questions (FAQs)
1. Can you do a paternity test during pregnancy?
Yes. PaternitySAFE is a non-invasive prenatal test that uses fetal DNA from the mother’s blood, allowing paternity confirmation safely during pregnancy.
2. How early can the test be done?
The test is generally available from 7–9 weeks of gestation, depending on fetal DNA levels in maternal blood.
3. How accurate is the PaternitySAFE NIPT?
The test has a reported accuracy of over 99.9% in determining paternity when proper lab procedures are followed.
4. Is the test safe for my baby?
Yes. Unlike invasive procedures such as amniocentesis, the PaternitySAFE test is completely non-invasive and poses no risk to the fetus or mother.
5. How long does it take to get results?
Results are typically available within 7–15 working days, depending on the lab and sample collection schedule.
6. Can the test also tell me my baby’s sex?
Yes. Many parents choose the optional fetal sex identification feature, which can be performed alongside the paternity test.
7. How confidential is the testing process?
All samples and results are treated with strict confidentiality, ensuring privacy for both parents and the unborn child.
8. What if my result shows a high-risk discrepancy?
A high-risk or inconclusive result is extremely rare. In such cases, repeat testing or consultation with a healthcare professional may be recommended.
If you want a paternity test before birth, our test is the best non-invasive method. By choosing to have a non-invasive prenatal paternal DNA test, you will get the information you are looking for without causing any potential harm to the baby.
State-of-the-art DNA paternity test procedures have made it possible to confirm the biological father’s identity before birth without disrupting the foetus’s safe environment. Once we have a DNA sample, it is straightforward to carry out the rest of the paternity test.
How Does the DNA Test Work?
The process of the DNA swab paternity test is as follows:
- We take a blood sample from the mother’s arm (this will contain free-floating foetal cells)
- The baby’s DNA profile is checked against a cheek swab sample from the possible father
- Next-generation sequencing (NGS) is used to assess the probability of paternity
What Will My Test Results say?
The tested male cannot be excluded as a biological parent - this means there is a 99.9% chance that the tested male is the baby's father
The tested male was excluded as a biological parent – this means the tested male is not the baby's father
Uninformative result – this means we cannot determine whether the tested male is the baby's father. In the event of an inconclusive result, we will request another sample. There is no extra charge for this
Is prenatal paternity testing accurate?
For a biological relationship to exist, the percentage match between the foetus and the tested male must come back at 99.99%. Confirmations of paternity are over 99.9% accurate. If the potential father is excluded as a possible parent, there is a 99.99% probability that he is not the father.
Inaccurate test results are rare, but they may be caused by biological factors such as limited foetal DNA in the maternal blood sample, prior organ transplants/blood transfusions, or unrecognised twin pregnancies.
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Here are some additional resources that may be useful:
- Antenatal Results and Choices (ARC): This is a national charity that provides non-directive support and information to parents before, during, and after antenatal screening. You can visit their website at
www.arc-uk.org or call their helpline at 0845 077 2290 or 0207 713 7486. The helpline is open from Monday to Friday, 10am to 5:30pm.
- Down's Syndrome Association: This association provides support for people with Down's syndrome and their families. You can visit their website at
www.downs-syndrome.org.uk or call them at 0333 1212 300. They are open from Monday to Friday, 10am to 4pm.
- Support Organisation for Trisomy 13/18 (SOFT): This organisation provides information and support for families affected by Trisomy 13/18. You can visit their website at
www.soft.org.uk.
We offer a wide range of blood tests, but the list below is not comprehensive. If you can’t find what you need or need more information, please feel free to contact us at 01138301371 and speak to one of our healthcare professionals. We’ll be more than happy to help you out.
- We provide a same-day blood result service for some blood tests (Monday – Saturday, excluding Bank Holidays).
- A £ 35 fee for Phlebotomy + Courier charge will be applied for all Bloods.
Please inform us at the time of booking if you require same-day results.
The Appropriate cancellation charge will apply as shown below.
- Amendments: 72 hrs ( 3 days Notice )
- Bookings made on the same day or 1 to 3 days before your appointment cannot be amended.
- Refund Applicable: 14 Days or more: Full refund
- Between 10 and 14 days: £30 non-refundable deposit balance paid will be refunded
- Between 1 and 9 days: No refund will be given
- Failure to attend: No refund will be given
- Rescheduled Appointments are not eligible for Cancellation or Refunds.
At Miracle Inside Diagnostic Scan Centre, we firmly believe that knowledge is the cornerstone of good health. Our dedicated team is committed to supporting you on your unique health journey, offering expertise, compassion, and confidentiality every step of the way.
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