Chorionic Villus Sampling
aka CVS
Diagnosis of T21
20min OP procedure, rest for 20mins afterwards
US guided at 11-14w, transabdominal needle or transcervical
5-25mg of tissue in tissue culture medium
miscarriage <1:100
Karyotype
Microarray
Refer to genetic counsellor for abnormal results
Diagnosis of T21
20min OP procedure, rest for 20mins afterwards
US guided at 11-14w, transabdominal needle or transcervical
5-25mg of tissue in tissue culture medium
miscarriage <1:100
Karyotype
Microarray
Refer to genetic counsellor for abnormal results