my wife is 41, waiting for the first son. These are the result of the dual test made today in Florence Italy (12th week). CRL 62,0mm - BPD 21,2mm - NT 2,60mm. all the anatomy profiles result normal, nose appears clear. Free Beta hGC 2,1713 MoM PAPP-A 0,5475 MoM do you think is necessary to make an invasive exame? Sorry for my english, Thanks, Francesco