Chorionic villus sampling is a test to detect genetic conditions.
the procedure is that the women will first have an ultra sound to detect the position of the placenta from this the doctor will do one of two things (A TRANS CERVICAL PROCEDURE AND A TRANS ABDOMINAL PROCEDURE).
during the transabdominal the abdomen is cleaned with an antiseptic, then a local anaesthetic is placed in the area the needle will penetrate, the needle is then inserted and will take sample cells from the placenta, the sample will be analysed.
during the transcervical the syringe is inserted vaginally and is guided towards the placenta using the ultra sound scan, the syrigne extracts cells from the placenta and these cells are sent off for analysis.
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