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Pre-natal Paternity Test


A Pre-natal Paternity Test can identify whether a man is a baby’s father before the baby is born i.e during the pregnancy.

  • 10ml blood test from mother and cheek swab from potential father(s)
  • Accuracy rating of 99.9%
  • Results available 15 working days of samples arriving in lab

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Paternity Safe is an advanced non-invasive prenatal paternity testing for determining fatherhood.

Until recently, the only way to test for paternity while pregnant was to collect amniotic fluid via a long needle, which is an “invasive” procedure that presents a risk to the baby.

“Non-invasive” means there is no need to intrude in the baby’s safe environment to test for paternity.

A non-invasive prenatal paternity test is the safest way to determine fatherhood before the baby is born.


About the Test

Non-Invasive Prenatal Paternity Testing can be used to assess the paternity before the child is born.

PATERNITY SAFE allows to profile the baby’s DNA through the analysis of cell-free fetal DNA found in the mother’s blood and subsequently to compare the baby’s profile to the one of the alleged fathers.

During pregnancy, fetal DNA circulates naturally in maternal blood and can be detected from 5 weeks gestational age;

Thanks to a complex laboratory analysis, cell-free DNA is isolated from maternal plasma and then sequenced using Next Generation Sequencing (NGS) technique and subsequently compared to the alleged father’s DNA which is collected using a simple buccal swab.

The baby’s genetic profile will be made up of half of the genetic profile from the mother and half from the father. Therefore, the alleged father to be considered the biological father will have to own half of the genetic profile present in the baby.

Paternity is EXCLUDED in case in which the genetic characteristics of the potential father differ from those of the baby, while it is ATTRIBUTED if they match.

At the end of the process a report is generated to show if the man tested is or is not the biological father.

Accuracy rate – 99%


How is the test carried out ?

10ml Blood Sample from mother*

Buccal Cheek Swab from potential father

Can be carried out from 10 weeks of pregnancy

Results available from 15 working days from samples arriving in lab

*You will need to use a ‘private phlebotomy service’ to have your blood drawn (there will be a small charge for this) – a Google search will help you locate your nearest service. Some GP practices offer phlebotomy services however this varies regionally.

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