MARAbio

MARAbio MARAbio is a precision immunology company advancing science around Maternal Autoantibody-Related Autism (MAR-Autism).

Our MAR-Autism™ Test uses a simple maternal blood test to assess the likelihood of this immune-mediated autism subtype. MARAbio is a precision immunology company offering hope to families facing the prospect and potential impacts of autism by enabling pre-conception screening, likelihood assessment, and informed care. The MAR-Autism™ Test is a maternal blood test that identifies specific autoantib

odies linked to an immune-related subtype of autism, helping providers and families better understand a child’s likelihood of MAR-Autism diagnosis with >95% specificity. The test can also inform a family of likelihood of MAR-Autism in future children prior to pregnancy.

Questions about autism testing deserve clear, straightforward answers.The MAR-Autism™ Test provides biological answers a...
09/02/2026

Questions about autism testing deserve clear, straightforward answers.

The MAR-Autism™ Test provides biological answers about one specific, immune-associated subtype of autism.

Knowing how the MAR-Autism™ Test is performed, when it can be used, and what positive and negative results mean can help families ask more informed questions and have clearer conversations with their healthcare providers.

Still have questions?

Learn more about MAR-autism.

https://www.marautism.com/about

08/31/2026

Autism is traditionally identified through behavior, including differences in communication, social interaction, and repetitive behaviors.

For some families, biological answers can provide another piece of the picture.

The MAR-Autism™ Test uses a maternal blood sample to identify specific autoantibody patterns associated with MAR-autism, a biologically defined, immune-associated subtype of autism supported by more than 20 years of research.

The MAR-Autism™ Test does not replace a behavioral or developmental evaluation. It provides additional biological answers that can support earlier developmental and behavioral therapies, more informed conversations with healthcare providers, and family planning decisions.

Learn more about the MAR-Autism™ Test.

https://www.marautism.com/ourtest

More than 20 years of research led to a scientific discovery that could give families another piece of the autism pictur...
08/27/2026

More than 20 years of research led to a scientific discovery that could give families another piece of the autism picture.

Maternal Autoantibody-Related autism, or MAR-autism, is a biologically defined, immune-associated subtype linked to specific maternal autoantibody patterns.

MARAbio was founded to bring that research from the lab to families and healthcare providers. Through a blood sample from the mother, the MAR-Autism™ Test identifies patterns associated with the MAR-autism subtype.

Those biological answers can support more informed family planning conversations, earlier developmental and behavioral therapies, and discussions with healthcare providers.

Could earlier answers support your family planning conversations?

Learn more at https://www.marautism.com/about

\*The MAR-Autism™ Test has not been validated for use during pregnancy and should be interpreted with a qualified healthcare provider.

08/25/2026

It took Christina four attempts to get her doctor to listen when her son, Dom, was not meeting developmental milestones.

During that time, their family was left searching for answers and trying to understand what support he needed.

Looking back, Christina wishes the MAR-Autism™ Test had been available before Dom was born. Earlier biological answers could have supported more informed conversations with healthcare providers and helped their family begin asking different questions sooner.

She is sharing their story so other families know this information exists and may not have to experience the same uncertainty.

Learn more about MAR-autism and the MAR-Autism™ Test.

https://www.marautism.com/about

Not every biological answer comes from DNA.While genetic testing looks for inherited DNA changes, the MAR-Autism™ Test i...
08/21/2026

Not every biological answer comes from DNA.

While genetic testing looks for inherited DNA changes, the MAR-Autism™ Test identifies maternal autoantibody patterns associated with MAR-autism, a biologically defined, immune-associated subtype of autism identified through more than 20 years of research.

A positive result indicates a greater than 97% likelihood of autism in a current or future biological child. This information can add another piece to the picture alongside behavioral, developmental, and genetic evaluation.

For families, those answers can support more informed conversations with healthcare providers and family planning decisions.

Learn more about MAR-autism and the science behind it.

https://www.marautism.com/about

\*The MAR-Autism™ Test is not validated for use during pregnancy and should be interpreted with a qualified healthcare provider.

08/20/2026

When parents raise concerns about autism, those concerns are not always taken seriously right away.

A child may be described as going through a phase or copying a sibling, leaving families with more questions about what comes next.

Behavioral and developmental evaluations remain an essential part of understanding autism. For some families, biological answers can provide additional context beyond behavior alone.

The MAR-Autism™ Test uses a maternal blood sample to identify specific autoantibody patterns associated with MAR-autism, a biologically defined, immune-associated subtype of autism supported by more than 20 years of research.

This information may be especially relevant for families who already have a child diagnosed with autism, are seeking additional biological context, or are considering a future pregnancy. It can support more informed conversations with healthcare providers, family planning, and earlier developmental and behavioral therapies.

Learn more about MAR-autism and the MAR-Autism™ Test.

https://www.marautism.com/ourtest

Sometimes a parent notices something before anyone else does.Maybe their child is not making eye contact, responding to ...
08/19/2026

Sometimes a parent notices something before anyone else does.

Maybe their child is not making eye contact, responding to their name, or using words as expected. Autism can often be detected by 18 months, and a diagnosis by an experienced professional can be reliable by age 2. Yet the median age of first diagnosis in the U.S. remains close to 4.

For many families, that gap is shaped by being told to wait and see, screenings that do not lead to a referral, long specialist waitlists, and differences in access from one community to another.

Earlier answers can support earlier developmental care, more informed conversations with providers, and less time spent in uncertainty.

Noticed something and can’t shake that quiet feeling?

Learn more: https://www.marautism.com/

08/19/2026

A delayed autism diagnosis can affect the entire family.

While parents search for answers and support, siblings may begin taking on responsibilities beyond their years. Their routines, relationships, and childhood experiences can change too.

The MAR-Autism™ Test can provide biological answers before a future pregnancy, helping families have more informed conversations with healthcare providers, prepare for earlier developmental and behavioral therapies, and plan with the needs of the whole family in mind.

Learn more about MAR-autism and the MAR-Autism™ Test.

https://www.marautism.com/about

The MAR-Autism™ Test has not been validated for use during pregnancy.

08/18/2026

For families with a personal connection to autism, deciding whether to have more children can bring questions that are difficult to answer without additional information.

The MAR-Autism™ Test uses a maternal blood sample to identify specific autoantibody patterns associated with MAR-autism, a biologically defined, immune-associated subtype of autism supported by more than 20 years of research.

Testing before a future pregnancy can provide biological answers that support more informed family planning conversations with healthcare providers. It can also help families consider earlier developmental and behavioral therapies and prepare for potential support needs.

The MAR-Autism™ Test identifies the MAR-autism subtype and is intended to be used as a diagnostic aid. It provides another piece of information that may help families better understand what comes next.

Learn more about MAR-autism and the MAR-Autism™ Test.

https://www.marautism.com/ourtest

One simple blood draw from the mother can provide biological answers about a specific subtype of autism.The MAR-Autism™ ...
08/18/2026

One simple blood draw from the mother can provide biological answers about a specific subtype of autism.

The MAR-Autism™ Test detects maternal autoantibody patterns associated with MAR-autism, a biologically defined, immune-associated subtype identified through more than 20 years of research.

No sample is needed from the child. Testing can be performed before pregnancy or any time after the birth of a biological child.

A positive result indicates a greater than 97% likelihood of autism in a current or future biological child. This information can help families better identify the MAR-autism subtype, have more informed conversations with healthcare providers, support family planning decisions, and consider earlier developmental and behavioral therapies.

Could the biology behind autism provide additional answers for your family?

Learn more at https://www.marautism.com/ourtest

The MAR-Autism™ Test is intended to complement, not replace, behavioral and developmental evaluation. Results should be interpreted with a qualified healthcare provider.

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26 S. Rio Grande Street, Suite 2072
Salt Lake City, UT
84101

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