Prenatal display Prenatal screening book binding for low-spirited syndrome is available to intimately 53.5% of mothers on a agnatic historic period basis, and the remain 46.5% of health boards provide serum screening for wholly ages. there are several regularitys use in prenatal screening, these are commonly use separately, and a number of factors are taken into account to determine which method should be used. amnio has been around for 20 years and is belike the most wholesome cognise screening method. It involves testing a sample of the amniotic wandering surrounding the foetus, ultrasound is used to guide a prick through the abdomen, into the womb and a small criterion of amniotic fluid (20ml) is removed. The procedure is usually carried out at 14-16 weeks. amnio tests for chromosome disorders, and is 99.8% reliable for chromosome number, there is withal a seek of spontaneous abortion (usually 1/250 or less) after the procedure. This is one o f the reasons why amniocentesis has only been offered to over 35...If you involve to get a effective essay, order it on our website: OrderCustomPaper.com
If you want to get a full essay, visit our page: write my paper
No comments:
Post a Comment