Down’s syndrome blood test that can reliably detect if an unborn baby has condition to go on trial
A new non invasive blood test [عزيزي الزائر يتوجب عليك التسجيل لمشاهدة الرابط للتسجيل اضغط هنا] to detect whether or not an unborn baby has Down’s syndrome during the first trimester of pregnancy is to go on trial next month (file picture)
A new non invasive blood test which can reliably detect whether or not an unborn baby has Down’s syndrome during the first trimester of pregnancy is to go on trial at two hospitals next month.
Down’s syndrome, and other chromosomal disorders characterised by an additional chromosome, is currently tested for between the 11th and 13th weeks of a pregnancy, using an ultrasound screen and a hormonal analysis of the pregnant woman’s blood.
Those deemed at high risk of carrying a baby with such a disorder are then given a definitive test involving chorionic villus sampling and amniocentesis.
But this is invasive and carries a risk of [عزيزي الزائر يتوجب عليك التسجيل لمشاهدة الرابط للتسجيل اضغط هنا] miscarriage.
A study carried out at the Harris Birthright Centre at King’s College London is the first to look at the feasibility of screening for the chromosomal disorders known [عزيزي الزائر يتوجب عليك التسجيل لمشاهدة الرابط للتسجيل اضغط هنا] as trisomies using foetal cell free [عزيزي الزائر يتوجب عليك التسجيل لمشاهدة الرابط للتسجيل اضغط هنا] DNA (cfDNA) from a pregnant woman’s blood.
The tests, carried out at the 10 week stage on 1,005 pregnancies, were found to be more sensitive at detecting Down’s syndrome and returned fewer ‘***** positive’ results than the initial combined tests usually carried out between the 11th and 13th weeks.
The test costs 400 so will [عزيزي الزائر يتوجب عليك التسجيل لمشاهدة الرابط للتسجيل اضغط هنا] not be offered across the NHS at this stage, but it will initially be offered free of charge [عزيزي الزائر يتوجب عليك التسجيل لمشاهدة الرابط للتسجيل اضغط هنا] on a trial basis at two hospitals Kings College Hospital in London and Medway Maritime Hospital in Kent.
[عزيزي الزائر يتوجب عليك التسجيل لمشاهدة الرابط للتسجيل اضغط هنا] [عزيزي الزائر يتوجب عليك التسجيل لمشاهدة الرابط للتسجيل اضغط هنا] [عزيزي الزائر يتوجب عليك التسجيل لمشاهدة الرابط للتسجيل اضغط هنا]
