Down Syndrome – Combined FTS 95% detection

Combined Ultrasound-Blood – The FTS (week 11-14)
– 90% detection
– 5 days for return of results. (calculated by lab)
This is a screening test providing calculated risk. There is a 5% false negative and 5% false positive rate. Diagnostic testing is advised if this test return a high calculated risk. (> 1 in 250)