Pregnancy ultrasound
Assessment of pregnancy progress and viability before the blood sample is taken.
Prenatal screening • From 10 weeks + 4 days
Pregnancy ultrasound + maternal blood testA private NIPT (Harmony) appointment combining an early pregnancy ultrasound with a maternal blood test that screens for the likelihood of common chromosomal conditions, including trisomy 21, trisomy 18 and trisomy 13.
Direct answer
Non-invasive prenatal testing (NIPT), commonly referred to as the Harmony test, analyses cell-free DNA circulating in the pregnant patient’s blood to estimate the chance of selected chromosomal conditions affecting the pregnancy.
The current £549 service combines an ultrasound scan with the NIPT blood test. The ultrasound checks pregnancy viability and gestational age before the blood sample is taken.
What is included
Assessment of pregnancy progress and viability before the blood sample is taken.
Ultrasound measurements help confirm that the pregnancy is at an appropriate gestation for the NIPT pathway.
Cardiac activity is assessed when expected and visible for the gestational stage.
The scan assesses whether one baby or more than one baby is visible, which is relevant to screening interpretation.
A maternal blood sample is taken for cell-free DNA screening for the likelihood of common trisomies.
The ultrasound findings are documented, with next-step advice if anything unexpected is identified.
What NIPT screens for
NIPT vs ultrasound
Screens placental cell-free DNA in maternal blood for the likelihood of selected chromosomal conditions.
Checks viability, gestational age, heartbeat where expected and visible, and whether a singleton or multiple pregnancy is seen.
NIPT does not replace the detailed mid-pregnancy anomaly scan, which assesses fetal anatomy and structural development.
Before you arrive
The current PrivateSono package is offered from 10 weeks + 4 days. If your dates are uncertain, the ultrasound helps reassess gestational age.
A full bladder may improve transabdominal ultrasound views at this early gestation. Follow the preparation instructions in your booking confirmation.
Bring previous early pregnancy or dating scan reports and IVF/embryo-transfer details if relevant.
If fetal sex information is available through your selected laboratory pathway, decide whether you would like this disclosed.
Your appointment
Your gestation, previous scans and relevant pregnancy history are reviewed, and the purpose and limitations of NIPT are explained.
The scan assesses pregnancy progress, gestational age, fetal heartbeat where expected and visible, and singleton/multiple pregnancy.
A blood sample is taken from the arm and sent to the laboratory for cell-free DNA analysis.
The NIPT result reports screening risk for the conditions tested. Laboratory turnaround can vary, so confirm the current expected timeframe at booking.
A high-risk, inconclusive or unexpected result may require discussion with your maternity team, fetal medicine service or genetics specialist and consideration of diagnostic testing.
Screening limitations
NIPT estimates risk. CVS or amniocentesis can provide diagnostic chromosome information when clinically indicated.
The standard package focuses on selected common trisomies. A low-risk result does not exclude all chromosome, genetic or developmental conditions.
A normal NIPT result does not replace routine pregnancy ultrasound, including the detailed anomaly scan later in pregnancy.
Book online
Use the dedicated PrivateSono booking page to choose your clinic, date and appointment time.
Open the dedicated NIPT booking calendar.
Open booking calendar Call the clinicPrivateSono
One private appointment combines pregnancy ultrasound with non-invasive blood screening, while keeping the distinction between screening information and diagnostic testing clear.
Book NIPT + Scan →Current PrivateSono starting gestation for this package.
Viability and gestational age assessed before the blood test.
The NIPT sample is taken from the pregnant patient’s arm.
High-risk results can be escalated appropriately for counselling and diagnostic options.
Clinic locations
Questions answered
Clear answers about timing, trisomy screening, ultrasound, results and the difference between screening and diagnosis.
Still unsure? Call 020 7101 3377The NIPT Pregnancy Scan combines a pregnancy ultrasound with a maternal blood test that screens for the likelihood of common chromosomal conditions, including trisomy 21, trisomy 18 and trisomy 13.
PrivateSono currently offers the NIPT (Harmony) Scan from 10 weeks + 4 days of pregnancy.
The current PrivateSono NIPT (Harmony) Scan is listed at £549. Check the dedicated booking page for the latest availability and price before confirming.
The standard screening described by PrivateSono covers Down syndrome (trisomy 21), Edwards syndrome (trisomy 18) and Patau syndrome (trisomy 13). Optional fetal sex information may also be available within the testing pathway.
No. NIPT is a screening test. A high-risk result does not by itself confirm that the baby has a chromosomal condition. Diagnostic testing such as chorionic villus sampling (CVS) or amniocentesis may be recommended after specialist counselling.
The ultrasound checks pregnancy viability and progress, gestational age, fetal heartbeat when expected and visible, and whether a singleton or multiple pregnancy is seen.
The blood sample is taken from the pregnant patient’s arm and does not involve inserting a needle into the pregnancy. The ultrasound uses sound waves rather than ionising radiation.
For the ultrasound element, a comfortably full bladder may improve views in early pregnancy. Follow the exact preparation instructions in your booking confirmation.
The ultrasound findings can usually be explained at the appointment. NIPT blood-test turnaround depends on laboratory processing, so the current expected timeframe should be confirmed when booking.
No. Private NIPT is an additional screening option and does not replace routine NHS or private maternity appointments, screening, anomaly scans or fetal-medicine assessment when indicated.
From 10 weeks + 4 days
Pregnancy ultrasound plus maternal blood screening for trisomy 21, trisomy 18 and trisomy 13.