![]() Sex chromosome conditions occur when there is a missing, extra, or incomplete copy of the X or Y chromosomes. Ideally you should be registered with an obstetrician and mid-wife before having the harmony test so that if it is needed you can have appropriate follow-up investigations if your test predicts a chromosomal abnormality. Results take 7-10 working days to come back. The blood samples for the Harmony test are processed in the genetics department of The Doctor’s laboratory (TDL) in London and America. We cannot process pregnancies with a demised / vanished twin. ![]() Please note it can process singleton or twin pregnancies but need to know if it’s a twin. It can only be taken after you have had an ultrasound to confirm the stage of the pregnancy (>10 weeks) and how many foetuses there are. ![]() This Harmony test is taken as a blood sample from the mother. Screening for common chromosomal abnormalities can be from 10 weeks gestation. The Harmony test is processed by The Doctors Lab (TDL) in London.The harmony blood test can be taken after 10 weeks gestation in singleton, twin, and egg-donor pregnancies. If you receive a high-risk result, we will refer you to your local NHS for further testing and counselling. In twin pregnancies the results reflect the probability that the pregnancy involves at least one affected fetus. In cases of mosaicism, partial chromosomal aneuploidy or translocations.In pregnancies with maternal malignancy.In pregnancies with maternal transplant.In pregnancies with maternal aneuploidy.In pregnancies with a demised or vanishing twin.The Harmony test not a suitable option in the following situations: Please note results may take longer due to public holidays etc. Harmony is the most proven NIPT brand with a better than 99% detection rate for Downs syndrome and low false positive rate of less than 1 in 1600. Please note that to have this test you must have had a dating scan to confirm your pregnancy dates and if you are not having a scan with us you will need to bring the report from you dating scan with you when you come to have your Harmony test.Īccurate, results are more accurate than tradition combined first trimester screening performed at most NHS trusts. Can be performed as early as 10 weeks gestation. Quick and simple blood test drawn from the mother’s arm. Safe, this test poses no risk for your baby. ![]()
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