![]() ![]() This option is not available for twin pregnancies. This option will be discussed at your appointment to determine whether requesting this is right for you. The Harmony test with sex chromosome aneuploidy panel option can assess risk for XXX, XYY, XXYY, XXY (Klinefelter syndrome), and a missing X chromosome in a girl (Turner syndrome). 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 blood test can be taken after 10 weeks gestation in singleton, twin, and egg-donor pregnancies. ![]()
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