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Friday, November 1, 2013

Prenatal Screening

Prenatal Screening Prenatal exhibit Screening for downcast syndrome is available to ab expose 53.5% of mothers on a maternal historical period basis, and the remaining 46.5% of health boards provide serum screening for wholly ages. There are several methods used in prenatal screening, these are usually used separately, and a event of factors are taken into account to determine which method should be used. amnio has been around for 20 years and is probably the intimately wholesome known screening method.
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It involves testing a precedent of the amniotic fluid surrounding the foetus, ultrasound is used to execute a needle through the abdomen, into the womb and a shrimpy criterion of amniotic fluid (20ml) is removed. The procedure is usually carried out at 14-16 weeks. Amniocentesis tests for chromosome disorders, and is 99.8% reliable for chromosome number, there is however a seek of miscarriage (usually 1/250 or less) after the procedure. This is virtuoso of the reasons why amniocentesis has only been offered to over 35...If you want to add a full essay, order it on our website: OrderCustomPaper.com

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