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DNA testing, explained simply.

Honest answers to the questions people ask before, during, and after a DNA paternity test. Written by the team that performs them every day.

Costs & Pricing

How Much Does a DNA Paternity Test Cost in California?

Honest pricing breakdown for paternity testing in California. What you actually pay, what's included, and where hidden fees hide.

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What to Expect

What Happens at a DNA Paternity Test Appointment?

From the moment the collector arrives to the final paperwork, here is exactly what happens during a 20-minute appointment.

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Choosing the Right Test

Mobile DNA Testing vs. Going to a Lab: Which Is Better?

Two ways to get a DNA paternity test in Southern California. Here is what each actually looks like.

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Choosing the Right Test

Is an At-Home DNA Paternity Test Reliable?

At-home DNA paternity kits are sold cheap online and in drugstores. The real question is whether your sample is even reaching a real lab, and what you can do with the result.

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Legal & Court

Can a Father Refuse a DNA Test in California?

California cannot physically force a DNA test, but refusing a court-ordered test has real legal consequences.

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Legal & Court

How to Get a Court-Ordered DNA Test in California

When voluntary DNA testing fails, the next step is court-ordered testing. Here is how the California family court process works.

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Legal & Court

DNA Test for Child Support: What You Need to Know

Child support orders require legal proof of paternity. Here is what California family courts and DCSS actually require.

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Legal & Court

Adding a Father's Name to a Birth Certificate in California

California Vital Records will not amend a birth certificate without proof of paternity. Here is the DNA testing requirement.

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Special Situations

DNA Paternity Test Without the Mother: Is It Possible?

A standard paternity test includes the mother, but it is not strictly necessary. Testing without her is possible and admissible.

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Special Situations

DNA Paternity Testing for a Newborn or Infant: Is It Safe?

You can DNA test a baby from a few days old onward. The collection is painless and uses a soft cheek swab.

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Special Situations

What If the Mother Won't Agree to DNA Testing?

If you are an alleged father and the mother refuses testing, you still have legal and practical options.

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Understanding DNA Testing

What Does "99.99% Probability of Paternity" Actually Mean?

When a DNA test says 99.99 percent probability of paternity, what does that actually mean?

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Understanding DNA Testing

How DNA Paternity Testing Actually Works (The Science)

DNA paternity testing does not compare every gene. It compares specific repeating segments at known locations.

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Understanding DNA Testing

DNA Tests You See on TV vs. Real DNA Tests

Maury Povich made paternity tests famous. The science is real. The way it gets to the screen is theater.

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Understanding DNA Testing

How Accurate Is a DNA Paternity Test? (The Real Number)

DNA paternity tests are 99.99%+ accurate for inclusions and 100% for exclusions. Here's what those numbers actually mean.

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Choosing the Right Test

Legal vs. Peace of Mind DNA Test: What's the Difference?

Same lab. Same accuracy. The only difference is chain of custody, and whether the result can be used in court.

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Understanding DNA Testing

How Long Does a DNA Paternity Test Take?

From appointment to result: 3-5 business days for standard tests, 5-7 for prenatal. Here's how the timeline works.

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Quality Standards

What Is AABB Accreditation and Why Does It Matter?

AABB accreditation is the gold standard for DNA paternity labs. Here's what it actually means for the test you're paying for.

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Prenatal Testing

Can You Do a Paternity Test Before the Baby Is Born?

Yes. Non-Invasive Prenatal Paternity (NIPP) testing can confirm paternity from 10 weeks with zero risk to the baby.

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Relationship Test Types

What Is a Siblingship DNA Test?

When the alleged father isn't available, a siblingship test can confirm a biological connection through a sibling. Here's how it works.

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Relationship Test Types

What Is a Grandparentage DNA Test?

When the alleged father has passed away or isn't reachable, his parents' DNA can confirm whether a child is biologically related to that family line.

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Relationship Test Types

What Is an Avuncular DNA Test?

When the alleged father can't be tested, his brother or sister may be able to confirm the biological connection through an avuncular test.

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Relationship Test Types

What Is a Post Mortem DNA Test?

We offer rare post mortem DNA collection at the coroner's office or mortuary using fingernail clippings or earwax. Time-sensitive.

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