Paternity Test: What It Is, How It Works, and Why It Matters

Knowing who the biological father is plays a vital role in family well-being, helps establish legal responsibilities, and most importantly protects the child’s right to identity.

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DNA-based paternity tests offer scientific, fast, and highly accurate results — with reliability levels exceeding 99.99%.

What is a paternity test?

A paternity test is a genetic examination that compares the DNA of a child with that of a potential father. Through this analysis, it’s possible to confirm whether a biological relationship exists. In Mozambique, these tests have become increasingly important, both in legal contexts — such as child support or custody cases — and in personal situations where questions around paternity arise.

When should it be done?
There are many reasons someone may seek a paternity test. It could be prompted by doubts following an unplanned pregnancy, family disputes, legal proceedings, or simply the need to confirm biological ties for peace of mind.

How does the test work?
DNA collection is simple and painless, usually done using a cheek swab from both the child and the alleged father. Blood samples may also be used. In more complex situations — for instance, if the father is unavailable — close relatives such as paternal grandparents or uncles may be tested instead.

Once the samples are collected, a laboratory compares specific genetic markers inherited from both parents. A match of 99.99% or more confirms paternity with a very high degree of certainty. If the markers do not align, paternity is ruled out with equal clarity.

Does the test hold legal value?
Yes — provided the proper legal protocols are followed. For results to be admissible in court (for example, in a paternity investigation), the sample collection must be performed by accredited professionals, ensuring a secure chain of custody. Our Joaquim Chaves Laboratory in Maputo offers legally recognized testing under these standards.

Why is a paternity test important?

For the child, it can mean access to their name, legal identity, inheritance, and often financial support. For the parents, it’s a chance to clarify or embrace responsibilities. And for society, it promotes justice, fairness, and the protection of children's rights.

Paternity testing doesn’t treat a disease — but it can change lives. It’s a crucial step toward securing legal rights, supporting responsible parenting, and safeguarding a child’s wellbeing. At Joaquim Chaves Saúde, we are committed to truth, trust, and science — in service of Mozambican families.

It is commonly used by:
  • Fathers seeking confirmation of biological parenthood
  • Mothers aiming to secure their child’s legal rights
  • Families involved in custody or legal disputes
  • Young adults wishing to understand their origins

What happens after the result?

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The impact of a paternity test goes far beyond science. Regardless of the outcome, it can bring significant emotional, legal, and social consequences for the families involved.

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  • Psychological Support

  • Legal Guidance

  • Family Mediation

  • Reproductive Health Education

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Joaquim Chaves Saúde provides cutting-edge genetic testing

Our Medical Genetics Laboratory is equipped to perform paternity testing, prenatal screening, and genetic investigations in cases where inherited conditions are suspected across generations.

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