What's Included
- Early pregnancy scan
- Single blood draw
- Personalised risk report indicating positive or negative screening results
Deeper insights about genetic conditions
Vistara is a comprehensive non-invasive prenatal screening test that detects serious genetic conditions caused by changes in certain genes, which impact the development of a baby's organs. It screens for 25 single gene disorders across 30 genes — combined, these disorders are more common than Down Syndrome. Recommended as a supplement to traditional NIPT screening.
Access to genetic counsellor before or after your results for detailed guidance
Non-invasive screening
Results in 2 - 3 weeks
VISTARA – Single Gene NIPT
Vistara screens for single-gene conditions, conditions caused by changes in certain genes that impact the development of a baby’s organs. Traditional NIPT screens for large genetic changes—by looking for small changes that can have big impacts, Vistara single-gene NIPT offers additional insights about your baby’s health.
Single-gene changes typically occur at random in eggs and sperm and can impact any pregnancy. 1 in 600 pregnancies are impacted by one of the single-gene condition Vistara screens for—together they are more common than Down syndrome.
While many children affected by single-gene conditions can bene t from early treatment, these conditions are often dif cult to detect prenatally. Vistara is safe to perform during pregnancy, requiring only a blood draw from you.
From
0 weeksDuration
0 minutes
Price
£ 950
Results
2-3 weeks
Deeper screening for random genetic errors
Non-invasive answers for families with inherited conditions
Suitability
Vistara is available for singleton pregnancies, including egg donor and gestational carrier pregnancies.Non-invasive blood test
Unlike CVS or amniocentesis, single gene NIPT requires only a maternal blood sample—no needles near your baby, no miscarriage risk from the test itself.Insights for early management
These conditions are often difficult to detect prenatally. Vistara can inform and allow early treatment, which many children affected by single-gene conditions can benefit from.Results in 2-3 weeks
Get screening results early in pregnancy, giving you time to consider your options and plan next steps if needed.
Complete Service Overview
Your Single Gene NIPT—Explained
A non-invasive blood test from 9 weeks that screens for 25 conditions across 30 genes affecting bone, heart, brain, and skull development. Also includes common trisomies, triploidy, and 5 microdeletions. Results typically within 2-3 weeks.
Who is this for?
- Couples with a reproductive partner aged 40+
- Pregnancies showing abnormal ultrasound findings
- Those with a family history of conditions screened
- Anyone seeking the most comprehensive non-invasive genetic screening
- Those wanting screening beyond standard trisomy testing
- Couples with a reproductive partner aged 40+
Technical Details
- Screens 25 conditions across 30 genes
- Includes bone development conditions (e.g. achondroplasia)
- Includes cardiac conditions (e.g. Noonan syndrome)
- Also screens for common trisomies, triploidy, and 5 microdeletions
- Approximately 1 in 25 tests may require retesting due to inconclusive results
- Screens 25 conditions across 30 genes
What to expect
Your appointment, step by step
Before Your Appointment
- Book online—available from 9 weeks
- No fasting needed
During Your Appointment
- 15-20 minute consultation and blood draw
- Simple blood draw from your arm
After Your Appointment
- Results in 2-3 weeks
- Genetic counselling available if needed
Why choose Flowan Health
Every test is performed by accredited state-of-the art laboratories, appointments come with the time to understand your unique situation, and ensure you're supported throughout. That's why families with genetic concerns
trust us.
What you get | What this means for you | |
|---|---|---|
| Advanced analytics | ||
| From 9 weeks | Early answers for early planning | |
| Non-invasive | No miscarriage risk from the test itself | |
| Who may benefit from this test | Every pregnancy can benefit for deeper insights. However, in particular: - couples with a partner over 40 years old - pregnancies with abnormal ultrasound findings - couples with family history of conditions screened by Vistara | |
| Pre-test consultation | Ensure testing is appropriate before you proceed | |
| Genetic counselling access | Ensure testing is appropriate before you proceed | |
| 5.0/5.0 from 507+ reviews | Unmatched service and attention | |
Online booking at 2am or 2pm - we're ready when you are
Take the first step towards comprehensive and compassionate healthcare tailored for women.
Common questions about single gene NIPT
Understanding your options for inherited conditions. Here's what you need to know.
What is Single-Gene NIPT and how is it different from standard NIPT?
Traditional NIPT looks at whole chromosomes, not individual genes (each chromosome is made of hundreds to thousands of genes), therefore only detects chromosomal aneuploidies (abnormal number of whole chromosomes). Traditional NIPT does NOT detect most microdeletions and single-gene disorders. In contrast, single‑gene NIPT uses more targeted sequencing to look for specific mutations within individual genes, such as Noonan Syndrome, achondroplasia and other dominant monogenic disorders: these conditions are caused by tiny changes in DNA, not whole‑chromosome abnormalities — so traditional NIPT cannot see them. Traditional NIPT and single-gene NIPT do not overlap, they complement each other.
Who is single gene NIPT suitable for?
Single gene NIPT is appropriate when:
- You have a family history of a single gene disorder
- At least a partner in the couple is over 40 years old
- You had abnormal ultrasound findings
- You simply want more comprehensive insights on your baby’s genetic health.
What conditions can be tested?
25 conditions across 30 chromosomes. Ask the clinic or text VISTARA CONDITIONS to 636363.
Is single gene NIPT diagnostic?
No. Like standard NIPT, single gene NIPT is a screening test—it indicates increased or decreased likelihood, not a definitive diagnosis. A low-risk result is reassuring but not a guarantee. A high-risk result would typically be followed by diagnostic testing (CVS or amniocentesis) for confirmation before making any major decisions.
Why not just go straight to CVS or amniocentesis?
CVS and amniocentesis are diagnostic tests—they give definitive yes/no answers. However, they carry a small risk of miscarriage (approximately 0.1-0.5%). Single gene NIPT can serve as a first step: if the screening result is low risk, you may feel reassured without needing invasive testing. If it’s high risk, you can then make an informed decision about diagnostic testing.
Are single-gene disorders inherited?
Many single‑gene conditions follow classic inheritance patterns: autosomal dominant, autosomal recessive, X-liinked.
However, many single‑gene conditions arise spontaneously, meaning neither parent carries the mutation and are not predictable from parental genetics: These mutations happen in the egg or sperm before conception or very early after fertilisation.
Many single-gene disorders that Vistara screens for can be both inherited or de novo. So if a family has a history of one of these conditions, the fetus is at higher risk, even though many cases arise spontaneously.
How accurate is single gene NIPT?
Vistara is one of the most accurate tests available for single‑gene dominant disorders, but its accuracy is different from traditional NIPT because it’s detecting tiny gene mutations, not whole chromosomes.
False positives are very rare, because the test is highly specific. False negatives are possible if:
– fetal fraction is low
– mutation is not in the placenta
– mutation is extremely rare or novel
– the condition is caused by a different gene than expected
Happy stories from Parents
Real experiences from those who trust our care.
The staff are great and the service is impeccable. Lauren the sonographer is empathetic, personable and so kind which made our 8 week scan a wonderful experience
I’ve visited Flowan a few times over the last few years for various reasons and every time the service and care is outstanding. There are clinics much closer to me I could opt for but travel out of my way to Flowan simply for the service.
Felt safe and comfortable at this clinic! Very good service, would recommend!!
We came for an early pregnancy scan. Such lovely, professional staff at the clinic. Explained everything super clearly and were so friendly! Would really recommend.
The team are so friendly and helpful, really excellent service. We asked not to see the gender of the baby but for it to be part of the surprise package and we couldn’t be happier!! Such a lovely experience seeing our baby
