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Non-invasive prenatal test trisomy 21

Detects Down syndrome and fetal sex from the 10th week of pregnancy

Analyze the DNA of your child that you carry in your own blood to identify the presence of genetic markers of Down syndrome with great reliability and, if you wish, the sex of your baby. All with a simple analysis whose result will be explained by an expert in genetics. For the extraction you will have the largest network of laboratories in Europe.
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Week 10
From the tenth week of gestation

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99'9%
The analysis is almost 100% reliable(1)

so you can trust that the result will be accurate.

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0 risk
Non-invasive analysis

It only requires a blood sample and has no danger to the baby.

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6 - 9 days
T21 is a very fast service

which offers the answers you are looking for in a few days for your tranquility and relaxation.

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+50
We have more than 50 collaborating centers

where to perform the blood draw without an appointment.

Non-invasive prenatal test trisomy 21
  • Detection of Down syndrome (trisomy 21)
  • You will have the option of knowing the sex of the future baby if you wish.
  • You can go to any of our more than 50 collaborated centers without prior appointment and without having to go on an empty stomach.
icono de tiempo 6 - 9 days
icono de mundo Spain
icono de la muestra Blood
icono de genes Next Generation Sequencing
icono de tiempo
  • Business days from receipt of the sample in the Laboratory
icono de mundo
  • Only available in Spain at the moment
icono de la muestra
  • Sample of blood drawn at an extraction center.
icono de genes
  • An analysis of the fetal DNA contained in the blood of the mother is performed via massive fetal genome sequencing using the Next Generation Sequencing technique.
  • This test is only for singleton gestations.
  • Indicated for pregnant women of advanced age (+35 years).
* Up to 10% cheaper than lab fee
Access the most extensive and reputable laboratory network
elige tu test genético More than 50 centers in Spain
To perform the extraction, it is not necessary to go on an empty stomach
elige tu test genético
More than 50 centers in Spain
To perform the extraction, it is not necessary to go on an empty stomach
A Coruña
Coruña
(A Coruña)
◷ Lunes a Viernes de 08.30 a 11.00 horas.
☏ Information: +34 911 284 591
Albacete
Albacete
(Albacete)
◷ Lunes a Viernes de 08.00 a 11.00 horas.
☏ Information: +34 911 284 591
Asturias
Gijón
(Asturias)
◷ Lunes a Viernes de 08.00 a 14.00 horas. Tardes de 17.00 a 19.00 horas.
☏ Information: +34 911 284 591
Oviedo
(Asturias)
◷ Lunes a Viernes de 08.30 a 12.00 horas.
☏ Information: +34 911 284 591
Ávila
Ávila
(Ávila)
◷ Lunes a Viernes de 09.00 a 11.00 horas.
☏ Information: +34 911 284 591
Badajoz
Zafra
(Badajoz)
◷ Lunes a Viernes de 08.00 a 12.00 horas.
☏ Information: +34 911 284 591
Baleares
Palma de Mallorca
(Baleares)
◷ PREVIA PETICION DE CITA
☏ Information: +34 911 284 591
Barcelona
Barcelona
(Barcelona)
◷ Lunes a Viernes de 8 a 13 horas.
☏ Information: +34 911 284 591
Burgos
Burgos
(Burgos)
◷ Lunes a Viernes. Previa Cita.
☏ Information: +34 911 284 591
Cáceres
Cáceres
(Cáceres)
◷ Lunes a Jueves de 08.00 a 14.00 horas. Tardes de 16.00 a 20.00 horas. Viernes de 08.00 a 14.00 horas.
☏ Information: +34 911 284 591
Plasencia
(Cáceres)
◷ Mañanas: 8H a 14H y Tardes: 17H a 19H
☏ Information: +34 911 284 591
Castellón
Castellón
(Castellón)
◷ PREVIA PETICION DE CITA
☏ Information: +34 911 284 591
Ciudad Real
Ciudad Real
(Ciudad Real)
◷ PREVIA PETICION DE CITA
☏ Information: +34 911 284 591
Córdoba
Córdoba
(Córdoba)
◷ Lunes a Viernes de 08.00 a 12.00 horas. Tardes de 16.00 a 18.30 horas.
☏ Information: +34 911 284 591
Fuerteventura
Puerto del Rosario
(Fuerteventura)
◷ PREVIA PETICION DE CITA
☏ Information: +34 911 284 591
Granada
Granada
(Granada)
◷ Lunes a Viernes de 08.30 a 13.00 horas.
☏ Information: +34 911 284 591
Huelva
Huelva
(Huelva)
◷ PREVIA PETICION DE CITA
☏ Information: +34 911 284 591
La Rioja
Logroño
(La Rioja)
◷ Lunes a Viernes de 08.00 a 13.00 horas. Tardes de 17.00 a 19.00 horas.
☏ Information: +34 911 284 591
Lanzarote
Arrecife
(Lanzarote)
◷ PREVIA PETICION DE CITA
☏ Information: +34 911 284 591
Las Palmas
Las Palmas De Gran Canaria
(Las Palmas)
◷ Lunes a Viernes de 07:00 a 11:30 horas. Sábados de 9 a 11 H.
☏ Information: +34 911 284 591
Santa cruz de la palma
(Las Palmas)
◷ PREVIA PETICION DE CITA
☏ Information: +34 911 284 591
León
◷ Lunes a Viernes de 08.00 a 14.00 horas. Tardes de 17.00 a 18.30 horas. Sábados previa cita.
☏ Information: +34 911 284 591
Lugo
◷ Lunes a Viernes de 08.30 a 11.00 horas.
☏ Information: +34 911 284 591
Madrid
◷ Lunes a Viernes de 08.30 a 10.00 horas.
☏ Information: +34 911 284 591
Madrid
(Madrid)
◷ Lunes a Viernes de 08.00 a 18.30 horas. Sábados de 08.30 a 10.30 horas.
☏ Information: +34 911 284 591
Madrid
(Madrid)
◷ Lunes a Viernes de 08.30 a 12.00 horas.
☏ Information: +34 911 284 591
Madrid
(Madrid)
◷ Lunes a Viernes de 08.00 a 18.30 horas. Sábados de 08.30 a 10.30 horas.
☏ Information: +34 911 284 591
Madrid
(Madrid)
◷ Lunes a Viernes de 08.00 a 11.00 horas.
☏ Information: +34 911 284 591
Parla
(Madrid)
◷ Lunes a viernes de 11:00 a 12:00 h. Previa cita. Sábados de 9:30 a 11:30 h. Sin cita previa.
☏ Information: +34 911 284 591
Murcia
Molina De Segura
(Murcia)
◷ Lunes a Viernes de 08.30 a 17.00 horas.
☏ Information: +34 911 284 591
Murcia
(Murcia)
◷ Lunes a Viernes de 08.00 a 14.00 horas.
☏ Information: +34 911 284 591
◷ Lunes a Viernes de 8.00 a 15.00 H.
☏ Information: +34 911 284 591
◷ PREVIA PETICION DE CITA
☏ Information: +34 911 284 591
Navarra
Pamplona/Iruña
(Navarra)
◷ Lunes a Viernes de 08.00 a 15.00 horas. Tardes de 16.00 a 18.00 horas.
☏ Information: +34 911 284 591
Palencia
Palencia
(Palencia)
◷ Lunes a Sábado de 08.00 a 14.00 horas.
☏ Information: +34 911 284 591
Pontevedra
Pontevedra
(Pontevedra)
◷ Lunes a Viernes de 08.30 a 11.00 horas.
☏ Information: +34 911 284 591
Vigo
(Pontevedra)
◷ Lunes a Viernes de 08.30 a 11.00 horas.
☏ Information: +34 911 284 591
Salamanca
Salamanca
(Salamanca)
◷ Lunes a Viernes de 8.30 a 13 horas.
☏ Information: +34 911 284 591
Santander
Santander
(Santander)
◷ Lunes a Viernes de 08.00 a 18.30 horas. Sábados de 09.00 a 11.00 horas.
☏ Information: +34 911 284 591
Sevilla
◷ Lunes a Jueves de 8 a 17 H. Viernes de 8 a 14 H.
☏ Information: +34 911 284 591
Sevilla
(Sevilla)
◷ Lunes a Viernes de 08.00 a 13.00 horas. Tardes de 17.00 a 20.00 horas (excepto los Miércoles)
☏ Information: +34 911 284 591
Sta Cruz De Tenerife
Santa Cruz De Tenerife
(Sta Cruz De Tenerife)
◷ Lunes a Viernes de 07.00 a 17.00 horas. Sábados de 08.00 a 10.00 horas.
☏ Information: +34 911 284 591
Toledo
◷ Lunes a Viernes de 08.00 a 14.30 h.
☏ Information: +34 911 284 591
Toledo
(Toledo)
◷ Lunes a Viernes de 08.00 a 14.00 horas. Tardes de 16.30 a 18.30 horas. Sábados previa cita.
☏ Information: +34 911 284 591
Valencia
Mislata
(Valencia)
◷ Lunes a Viernes de 08.00 a 20.00 horas. Sábados de 09.00 a 13.00 horas.
☏ Information: +34 911 284 591
Valencia
(Valencia)
◷ PREVIA PETICION DE CITA
☏ Information: +34 911 284 591
Valladolid
Valladolid
(Valladolid)
◷ Lunes a Viernes de 8.00 a 18.00 H. Sábados de 8.00 a 11.00 H.
☏ Information: +34 911 284 591
Vizcaya
◷ PREVIA PETICION DE CITA
☏ Information: +34 911 284 591
Zamora
Zamora
(Zamora)
◷ Lunes a Viernes de 08.00 a 12.00 horas.
☏ Information: +34 911 284 591
Zaragoza
Zaragoza
(Zaragoza)
◷ Lunes a Viernes de 7.45 a 11 horas.
☏ Information: +34 911 284 591
Zaragoza
(Zaragoza)
◷ PREVIA PETICION DE CITA
☏ Information: +34 911 284 591

Comparison of non-invasive prenatal tests

Trisomy 21
Trisomy 18
Trisomy 13
Monosomy X
Fetal sex
Time
Price
T21
V
X
X
X
V
6 to 9 days
175.00 €
Harmony
V
V
V
V
V
3 to 5 days
415.00 €

How does it work?

  1. descarga el PDF
    Download the order details from your private area.
  2. descarga el PDF
    Go to an extraction centre.
  3. instrucciones de uso
    One of our partner labs makes the analysis.
  4. instrucciones de uso
    You receive the results.
go further
Why should you request this service?
What is the purpose of this analysis?
  • To detect the presence of the genetic marker causing the Down syndrome in the foetus (chromosome 21 trisomy).
  • To answer your doubts and concerns with a simple blood draw analysis.
  • To know, if you wish, your future baby's gender.
  • To enable you to take preventative measures, always into the current regulations, in case of detection.
Should you do it?
  • If you are older than 35 years.
  • If you present fetal abnormalities.
  • If you previously had a pregnancy with abnormalities in chromosome number.
  • If you present hereditary risk of abnormal chromosome number.
  • If a high risk of abnormal chromosome number was detected by the biochemical screening in the first trimester.
Additional information
¿What is qNIPT technique?
  • qNIPT determines differences between methylation patterns in specific maternal and foetal DNA genetic regions. Certain genetic regions of the maternal DNA are hypometilated while the same regions are hypermetilated in the case of foetal DNA. These specific metilated genetic regions are used as DNA biomarkers for detection of the trisomy 21 on the fetus.
  • qNIPT test for trisomy 21 detection is an reliable and robust method appropiate for clinical routine, according to international medical associations.
q-NIPT T21 by q-PC Test limitations
  • This method is based in the cuantification of allelic dose, so it is restricted to structural anomalies.
  • Since foetal DNA proceed from apoptosis from trophoblast cells, q-NIPT T21 by q-PCR Test can throw false-positive or false-negative results because of placenta confined mosaicism and foetal mosaicism.
  • In case of twin pregnancy with evanescent foetus presence, q-NIPT T21 by q-PCR Test cannot be done.
  • Presence of CNVs (copy number variations).
  • This test is only for singleton gestations.
  • Maternal alterations: alterations that can affect or limit the test results (preeclampsia, heparin treatment, overweight…).
  • The results can be altered by presence of mutations or unclassified variations.

More information

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