Prenatal paternity testing for court

Non-invasive prenatal paternity testing (NIPP testing) offers a completely risk-free way of establishing paternity from as early as 7 weeks into pregnancy, and is a valuable tool for legal professionals, social workers and local authorities in circumstances where:

• There are early disputes over paternity that could influence custody, visitation or child maintenance.
• Questions surrounding paternity could impact care planning or safeguarding processes.
• Resolving parentage promptly could support mediation or foster cooperation between the parties involved.

In this article, we discuss NIPP testing for court in more detail, including how the test works, how soon the test can be performed, what samples are required, and the accuracy of the test.

What is a prenatal paternity test?

A non-invasive prenatal paternity test or NIPP test, is a DNA test performed while the mother is still pregnant, to verify paternity before the baby is born.

Based on the same principle as a standard paternity test, expert geneticists examine the baby’s DNA together with the parents’ DNA. By doing this, expert geneticists can identify paternal DNA, which can then be compared to the tested man to determine whether he is the biological father of the baby.

If the tested man is the biological father, both will share enough DNA markers to verify a biological relationship. If the tested man is not the biological father, this will not be the case.

All that is needed to perform the test is a blood sample from the mother (pregnant woman), and cheek (buccal) swabs from the alleged father and the mother.

Unlike other prenatal tests which involve taking cells from the placenta (chorionic villus sampling or CVS test) or extracting a sample of amniotic fluid (amniocentesis), NIPP testing does not require any needles to be inserted into the womb or abdomen.

This makes NIPP testing the safest option for verifying paternity before a baby is born, with zero risk posed to the mother or the unborn baby.

When is a prenatal paternity test needed for legal matters?

NIPP testing is commonly used by social workers to streamline complex cases, particularly in safeguarding scenarios, where the unborn child’s safety is paramount. Determining paternity early means they can focus on assessing a parent’s capacity to care for the child and explore alternative care arrangements where necessary. This includes placing the baby into the care of a suitable guardian immediately after birth if needed, reducing the number of moves between care settings.

For family law professionals, NIPP testing is an equally valuable tool in cases where paternity is contested, ensuring decisions about parental responsibility can be made without undue delay.

NIPP testing is commonly sought in scenarios where:

• There are early disputes over paternity that could influence custody, visitation or child maintenance.
• Questions surrounding paternity could impact care planning or safeguarding processes.
• Resolving parentage promptly could support mediation or foster cooperation between the parties involved.

Finding out the truth about a child’s paternity during pregnancy can aid dispute resolution in a variety of ways, including:

• Facilitating mediation: Removing ambiguity around paternity that can otherwise dominate discussions allows all parties to focus on child-centric outcomes and can mitigate the adversarial nature of disputes.
• Reducing court intervention: Enabling families to reach agreements outside the courtroom spares all parties the stress of prolonged, contentious litigation.
• Improved communication: Clarity around a child’s paternity can open the lines of communication, leading to quicker resolutions for other issues. This benefits the child and supports the parents in building a foundation of trust and cooperation.

What are the benefits of prenatal paternity testing for child welfare?

The benefits of prenatal paternity testing for child welfare include:

• Plans to safeguard babies who may be at risk can be developed before the baby is even born
• Local authorities can carry out assessments early in the process, including assessing the suitability of potential carers before the baby is born
• The baby can then be moved into the care of a suitable guardian immediately after the birth. This significantly reduces the costs associated with keeping the baby in the hospital or in foster care while a decision is made about their ongoing care
• The number of times the baby must be moved between carers/homes is reduced – which is much better for the baby

How does a prenatal paternity test work?

Once the DNA samples have been safely transported to the laboratory under chain of custody conditions, expert geneticists can work on extracting the baby’s DNA profile from foetal DNA found in the mother’s bloodstream.

This DNA profile is then compared with the DNA profile of the alleged father, to identify matching DNA markers (loci).

The biological father will share DNA with the baby at every tested marker. If the tested man is not the biological father, this will not be the case.

AlphaBiolabs’ NIPP testing represents the gold standard in prenatal paternity testing, analysing up to 153 DNA markers for unparalleled accuracy, and making it possible to confirm paternity as early as 7 weeks into pregnancy.

We are also the ONLY UK laboratory to hold UKAS 17025 accreditation for NIPP testing.

What samples are required for a prenatal paternity test?

Three samples are required to perform a non-invasive prenatal paternity test:

• The man’s DNA (alleged father) – collected using cheek swabs
• The pregnant woman’s DNA – cheek swabs and a blood sample and
• The unborn baby’s DNA – identified via the mother’s blood sample

Unlike other types of prenatal paternity test that require cells to be taken from the placenta (chorionic villus sampling or CVS test) or a sample of amniotic fluid (amniocentesis), a NIPP test only requires a blood sample from the mother and cheek (buccal) DNA swabs from the mother and the alleged father.

This means that a NIPP test is 100 per cent risk free for mother and baby.

Unlike a peace of mind prenatal paternity test, DNA samples required for a legally admissible prenatal paternity test must be collected under strict chain of custody conditions to prevent sample tampering, and ensure samples are collected from the correct people.

When can a prenatal paternity test be performed?

A prenatal DNA paternity test can be performed as early as seven weeks into pregnancy, or five weeks since the mother’s last period, right up until the point of labour.

Even if the test is performed later in pregnancy, it is still 100 per cent safe and risk-free for both mother and baby.

In fact, the later in pregnancy the test is taken, the more foetal DNA can be detected in the mother’s blood sample – making a conclusive result even more likely.

How are the samples collected for a prenatal DNA paternity test?

For DNA evidence to be accepted by the court, the DNA samples must be collected in line with chain of custody procedures.

When DNA samples are collected under chain of custody conditions, a trained sample collector will obtain the DNA samples from each donor, and photographic identification must be provided by the sample donors.

Consent (usually a signature) must also be given by each donor for their DNA samples to be used in testing, and the sample packaging sealed with tamper tape to prevent any interference with the samples.

For prenatal paternity testing, a blood sample must be collected from the mother. This blood sample collection must be performed by a trained medical professional such as a phlebotomist, nurse, other medical practitioner or one of AlphaBiolabs’ professional sample collectors.

The blood sample must then be transported to the laboratory to be analysed as soon as possible. This is to avoid degradation of the sample which can render a blood sample unusable.

Cheek (buccal) DNA samples are also required from the mother and alleged father. These samples are collected by rubbing a cheek swab quickly and painlessly on the inside of the cheek to collect DNA.

The cheek samples do not need to be collected at the same location. However, reputable testing laboratories will advise that both parents’ samples should be collected around the same time.

This helps avoid any delays in getting the samples to the laboratory and lowers the risk of mother’s blood sample degrading.

How is a prenatal paternity test performed?

Once the mother’s and alleged father’s samples have been received by the testing laboratory, DNA is extracted from both samples.

The very latest scientific techniques ensure the baby’s DNA can be identified within the mother’s blood sample.

Every person inherits half of their DNA from their mother and half from their father. Provided there is sufficient foetal DNA within the mother’s blood sample to extract the baby’s DNA profile, expert geneticists will compare the DNA profiles of the alleged father and the baby to identify matching DNA markers.

The biological father will share DNA with the baby at every tested marker. If the tested man is not the biological father, this will not be the case.

Is non-invasive prenatal paternity (NIPP) testing accurate?

A NIPP test provides an extremely accurate, reliable and 100% safe way of finding out who an unborn baby’s father is.

However, the scientific limitations of a non-invasive prenatal paternity test mean that for a very small number of people it’s not possible to retrieve enough foetal DNA to perform a conclusive test.

Your chosen testing laboratory will be able to advise you of the next steps if your client is one of the small number of mothers whose blood sample does not carry enough foetal DNA for a conclusive result.

Testing later in pregnancy is the best way to obtain the highest levels of foetal DNA.

How much does a prenatal paternity test cost?

The cost of a prenatal DNA paternity test for court depends on several factors, including the location of the DNA sample collection, and how soon the DNA test results are required.

There are a number of steps we have taken to make our legal DNA testing even more cost-effective for our clients, including offering free sample collection for legally-instructed DNA tests at our 21 walk-in centres across the UK and Ireland: a proposition unique to AlphaBiolabs.

Plus, our Price Promise means we will beat any like-for-like quote by a further 10%.

Private individuals can also benefit from 6-months’ interest-free credit on all testing over £500.

For more information call our New Enquiry team on 0333 600 1300, email testing@alphabiolabs.com or complete our online quote form.

When will I receive my prenatal paternity test results?

At AlphaBiolabs, we appreciate the urgency involved in receiving DNA test results, especially when it comes to meeting court deadlines.

We provide the fastest DNA results in the industry, with prenatal paternity test results available in 3-5 days.*

Our DNA testing also includes an Expert Report for no additional fee. This enhanced report covers:

• DNA analysis and results
• Type of analysis performed
• Chain of custody details for sample collection
• Qualifications/experience of the Reporting Scientists

Our legal DNA test results are legally admissible, Ministry of Justice approved, and accepted by all UK courts.

*Business days from receipt of samples at our laboratory, before 10am.

Where can I get a prenatal paternity test for court?

Prenatal paternity testing can provide the vital evidence needed for parents, family courts and social workers to reach important decisions about a child’s future.

An AlphaBiolabs’ prenatal paternity test can be used to test more than one alleged father, with results available in 3-5 days.

An Expert Report is included for no additional fee. We also offer FREE sample collection for legally-instructed DNA tests from our 21 walk-in centres across the UK and Ireland.

For more information on prenatal paternity testing for court, call our New Enquiry team on 0333 600 1300, email testing@alphabiolabs.com, or complete our online quote form.