Prenatal Screening

Prenatal Screening Prenatal test Screening for downhearted syndrome is available to ab push through 53.5% of mothers on a maternal diachronic 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 consequence of factors are taken into account to determine which method should be used. amnio has been around for 20 years and is probably the most(prenominal) wholesome known screening method.

It involves testing a sample distribution of the amniotic fluid surrounding the foetus, ultrasound is used to feed a needle through the abdomen, in to the womb and a vitiated 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 unitary of the reasons why amniocentesis has only been offered to over 35...If you want to own a full essay, order it on our website: OrderEssay.net

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