Nuchal scan accurate dating

Availability of Harmony and/or Vision varies by location.

Your blood needs to be taken either by us at the time of your appointment or privately by your midwife, GP or local phlebotomist.

There are three possible results from NIPT for Down syndrome: Positive: Predicted to be affected by Down syndrome.

An invasive test is required to confirm the result.

To test for Down's syndrome and certain other genetic conditions (T18 and 13 and Turners syndrome) from a maternal blood sample.

The ultrasound scan will determine viability, if single or multiple fetus are present and accurately date your pregnancy.

From the moment you first contact us right through to us issuing the report of our findings, our aim is to provide you with a caring, efficient and professional service.

It is first detectable from about 4-5 weeks’ gestation and reaches the required level needed to test for Down syndrome by 10 weeks’ gestation in most pregnancies. We can undertake Sex Chromosome Aneuploidy screening on request to evaluate the X and Y chromosomes.

The most common sex chromosome aneuploidies include Monosomy X (Turner Syndrome), XXY or XXYY (Klinefelter Syndrome), XXX (Triple X Syndrome or Trisomy X) and XXY.

Drink 0.5 Ltr (1 pint) clear fluid approx 1 hour before appointment time.

Please do not empty your bladder before the examination.

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