The Science of Newborn Genomic Screening | Phenome Longevity

The Beginning of a Lifelong Story

From the moment a child enters the world, their body begins an extraordinary journey of growth and adaptation. Every heartbeat, breath and movement is guided by an invisible code written long before birth. This code is called the genome, the complete collection of genes that determines how the body grows, functions and heals.

Understanding a baby’s genome from the beginning of life provides a scientific window into how their body works. It helps explain how they process nutrients, generate energy and protect themselves from stress or illness.

A newborn’s genes do not change over time. Testing them once provides a lifelong reference for health. It becomes a permanent map of how the body functions, one that can be revisited throughout life as science advances.

What the Newborn Genetic Test Does

The test studies a baby’s genes in detail, identifying natural variations that make each child unique. These differences influence how the body develops and responds to the environment.

This analysis can be done using a tiny saliva sample, a soft cheek swab or a few drops of blood. Next-Generation Sequencing technology can study thousands of genes from that small amount, providing an extraordinary level of insight into early biology.

System	Focus of Analysis
Metabolism	How the body converts nutrients into energy
Hormones	How growth and development are regulated
Brain and Nerves	How neurons communicate and the brain matures
Immunity	How the immune system protects and adapts
Cellular Health	How cells repair, renew and resist stress

The Science Behind It

Every human cell contains about three billion letters of DNA arranged into precise sequences. These letters form the instructions for making proteins, the building blocks that control growth, digestion, repair and immunity.

In a newborn analysis, scientists study genes that play key roles in metabolism, brain and sensory development, immunity, hormonal balance and cellular protection. Each of these areas represents a layer of the body’s biology and together they describe how a newborn grows, adapts and maintains equilibrium.

How It Works

The newborn test can be performed shortly after birth, ideally within the first few days or weeks of life. The process is gentle and simple.

Step 01

A small sample of saliva is collected at home using our easy-to-use kit.

Step 02

The DNA is extracted and read using advanced sequencing technology.

Step 03

The genetic data are analysed to your personalised report is generated.

Step 04

Experts review the findings to interpret how these variations relate to biological systems.

Results are typically available within 3-4 weeks and form a detailed biological profile that parents can discuss with a healthcare professional.

When Can Newborn Screening Be Done?

During pregnancy

Best chosen for parents who want early reassurance and preparation before birth. Allows early insight through a simple, non-invasive blood sample from the mother. It helps detect potential genetic risks and supports early planning.

At birth (0–2 weeks)

Chosen when parents want to capture a complete genetic snapshot from the very start of life. It provides a foundation for early prevention, development tracking, and personalised care.

First 6 months

Ideal for families who prefer to assess their baby’s development after birth. This stage offers a broader view of how genes influence growth, metabolism, and immune health during early development.

Why It Matters for Your Child’s Future

Genes are permanent. Once they are mapped, they remain the same throughout life. This means that a single newborn test can serve as a lifelong guide.

Parents and healthcare providers can use this information to monitor specific metabolic or hormonal functions as the child grows, personalise nutrition and supplementation when needed, understand how the body may respond to stress or illness and build preventive care plans that support you.

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Genetic Testing and Longevity

A newborn’s genes do not just reveal present health but also how the body may maintain balance in the future. Genes involved in DNA repair, mitochondrial function and detoxification contribute to how cells age and renew.

This insight allows science to connect early biology with lifelong resilience.

What the Test Can Reveal

This information is not diagnostic on its own. It is educational, showing how the body’s systems are programmed to function and adapt.

Immune balance

How the immune system manages inflammation

Cellular resilience

How cells manage stress, oxidation and renewal

Hormonal systems

How growth and reproduction are regulated

Nutrition and digestion

How the body absorbs and uses key nutrients

Energy and metabolism

How carbohydrates, fats and proteins are processed

Brain and sensory function

How neurons form connections and transmit signals

Genes, Environment and Growth

Genes provide the instructions, but environment and lifestyle determine how those instructions are expressed. Nutrition, sleep, physical touch, emotional connection and exposure to light all shape how genes behave in early life.

This relationship is known as epigenetic regulation, the way life experience interacts with the genetic code to shape health. It shows that while genes provide potential, it is environment and care that guide how that potential unfolds.

For most parents, the first weeks of life are filled with wonder and questions. Every small movement and expression feels like a discovery. Understanding your child’s genetics adds another layer to that discovery, one rooted in knowledge and care.

The process itself is gentle and simple, often done while the baby is calm or resting. A small sample is collected, analysed and transformed into knowledge that lasts for life. Parents receive a scientific window into their child’s biology, learning how their body uses nutrients, manages energy and adapts to change.

Knowing this information is not about predicting outcomes. It is about preparation, awareness and peace of mind. It allows you to nurture your child with the best possible understanding of how their body is designed to grow and thrive.

This kind of testing represents one of the most compassionate uses of modern science. It connects parents to their child’s health story before symptoms or struggles ever appear. It is a quiet act of love, choosing to understand the blueprint of life so that every decision supports a long, healthy and vibrant future.

How We Test

We use the most advanced technology in human history, Whole Genome Sequencing.

Differences between Traditional Gene Analysis and Whole Genome Sequencing (WGS)

Why Phenome Longevity Testing Stands Apart

Scientific Rigor

Backed by state-of-the-art sequencing technology and our in-house systems biology expertise, ensuring accurate and reliable results.

Actionable Insights

We don't just provide data; we translate complex genetic information into clear, personalized recommendations for diet, lifestyle, and preventive measures.

Expert Genetic Counseling

Access to board-certified genetic counselors to help you understand your results and navigate sensitive health decisions with confidence.

Integrated Platform

Your genetic data is seamlessly integrated with our multi-omics platform, providing a holistic view of your health and supporting your longevity journey.

What’s Included in Your Newborn Screening Report

Summary of Genetic Findings

A clear overview of any genetic variants identified in your baby’s DNA that may be linked to early onset or congenital conditions. Each finding is presented with its clinical relevance and inheritance type.

Gene and Variant Information

Detailed insights into the genes and specific variants analysed using whole genome sequencing. Each result follows international clinical guidelines such as ACGS and ClinGen to ensure precise classification and interpretation.

Condition Specific Results

Each variant is linked to its associated condition, providing a brief explanation of the disease, its impact, and how it may influence your child’s health.

Understanding Inheritance

An easy to follow explanation of how genetic inheritance works. This section helps parents understand whether the condition may be inherited from one or both parents, or if it developed spontaneously.

Early Detection and Prevention

This section explains how identifying genetic conditions early can support better long term health outcomes. It also includes information on preventive measures and early interventions where applicable.

Residual Risk

Even when no variants are detected, a minimal residual risk remains. This part explains why no genetic test can completely rule out the possibility of rare or undiscovered variants.

Glossary and Scientific Notes

Definitions of the scientific and medical terms used throughout the report and explanations of how genetic data is analysed. It also lists the main reference databases used for variant classification such as ClinVar, gnomAD, and ClinGen.

Explore the Genes We Screen For

The table below includes 115 genes, representing the most common ones screened in our Carrier Test. These genes are grouped into key health categories for easier navigation.

If you’d like to explore the full list of +1,000 genes included in our panel, click below.

Category	Most Important Genes We Identify	Examples of Disorders Linked
Metabolic Disorders	ACADM, ACADVL, ACAT1, AGXT, ALDOB, ATP7B, CYP27A1, CYP27B1, DHCR7, DLD, FAH, FMO3, G6PC, GAA, GALT, GBA, GBE1, GNPTAB, IDUA, MCCC2, MCOLN1, MMACHC, MMUT, MVK, NAGA, OTC, PAH, PMM2, POLG, SCO2, SLC37A4, SMPD1	Gaucher disease, Galactosemia, Phenylketonuria, Wilson disease, Glycogen storage diseases, Tyrosinemia, Pompe disease, Mucopolysaccharidoses, Mitochondrial disorders, Niemann–Pick disease
Neurological and Neurodevelopmental Disorders	AFF2, AHI1, ANO10, ARSA, ARX, ASPA, DMD, DYNC2H1, ELP1, ERCC2, FXN, L1CAM, MCPH1, MID1, MLC1, RARS2, RNASEH2B, RPGR, TMEM216	Duchenne/Becker muscular dystrophy, Friedreich ataxia, Joubert syndrome, Metachromatic leukodystrophy, Aicardi-Goutières syndrome, Canavan disease, Pontocerebellar hypoplasia
Neuromuscular Disorders	CHRNE, CLCN1, FKRP, FKTN, NEB	Congenital myasthenic syndromes, Myotonia congenita, Walker–Warburg syndrome, Limb-girdle muscular dystrophies, Nemaline myopathy
Hematological Disorders	F8, F9, HBA1, HBA2, HBB, FANCC, TF, PRF1, HPS1, HPS3	Hemophilia A/B, α- and β-thalassemia, Sickle cell anemia, Fanconi anemia, Hermansky–Pudlak syndrome, Atransferrinemia
Endocrine and Reproductive Disorders	AIRE, CYP11A1, CYP21A2, NR0B1, ABCC8	Congenital adrenal hyperplasia, Adrenal insufficiency, Autoimmune polyendocrinopathy, Neonatal diabetes
Skeletal and Connective Tissue Disorders	ALPL, EVC2, SLC26A2, TNXB	Hypophosphatasia, Chondroectodermal dysplasia (Ellis–van Creveld), Achondrogenesis Ib, Ehlers–Danlos-like syndrome
Sensory Disorders (Vision / Hearing)	BBS1, BBS2, CEP290, CNGB3, CLRN1, GJB2, OCA2, PCDH15, RS1, TYR, USH2A, XPC	Retinitis pigmentosa, Usher syndrome, Leber congenital amaurosis, Achromatopsia, Albinism, Non-syndromic deafness, Xeroderma pigmentosum
Renal Disorders	NPHS1, PKHD1, AGXT	Polycystic kidney disease, Finnish congenital nephrotic syndrome, Primary hyperoxaluria
Cardiovascular and Muscular Disorders	FKTN, FKRP, DMD, GLA	Dilated cardiomyopathy, Fabry disease, Muscular dystrophies
Immune and Inflammatory Disorders	AIRE, MVK, PRF1, RNASEH2B	Hyper-IgD syndrome, Autoimmune polyendocrinopathy, Familial hemophagocytic lymphohistiocytosis, Aicardi-Goutières syndrome
Dermatological and DNA-Repair Disorders	COL7A1, ERCC2, XPC	Epidermolysis bullosa, Trichothiodystrophy, Xeroderma pigmentosum
Developmental and Multisystem Syndromes	BBS1, BBS2, CC2D2A, CEP290, DYNC2H1, GRIP1, LRP2, TMEM216	Bardet-Biedl syndrome, Meckel syndrome, Joubert syndrome, Donnai–Barrow syndrome, Ciliopathies
Respiratory Disorders	ABCA3, CFTR	Surfactant metabolism dysfunction, Cystic fibrosis

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November 10, 2025
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Stories from Those Who Finally Got Answers

We are grateful to everyone who shared their journey with us. Their honesty reminds us why understanding our biology matters, because behind every test result there is a story of someone finally getting the answers they have been looking for.

As a new mum, I just wanted reassurance that my baby was healthy. The report gave me that peace of mind. Seeing everything laid out clearly made me feel calm, like I was really giving him the best start possible.
— Laura B, 33

We decided to do this test out of curiosity more than anything. Reading the results together was actually such a special moment. It felt like getting to know our baby on a deeper level.
— James and Elif K, 35

After a complicated pregnancy, I needed to know everything was okay. The process was easy and the support from the team was amazing. Having that clarity helped me finally relax and just enjoy being a mum.
— Sophie M, 31