Αυχενική διαφάνεια-Papp-a

Question

&Kappa;&alpha;&lambda;&eta;&mu;έ&rho;&alpha;, &epsilon;ί&mu;&alpha;&iota; 26 &epsilon;&tau;ώ&nu; &kappa;&alpha;&iota; έ&gamma;&kappa;&upsilon;&omicron;&sigmaf; &sigma;&tau;&omicron; &pi;&rho;ώ&tau;&omicron; &mu;&omicron;&upsilon; &pi;&alpha;&iota;&delta;ά&kappa;&iota; Έ&kappa;&alpha;&nu;&alpha; &alpha;&upsilon;&chi;&epsilon;&nu;&iota;&kappa;ή &delta;&iota;&alpha;&phi;ά&nu;&epsilon;&iota;&alpha; &sigma;&tau;&iota;&sigmaf; 11&beta;&delta;&omicron;&mu;&alpha;&delta;&epsilon;&sigmaf; &kappa;&alpha;&iota; 4 &eta;&mu;έ&rho;&epsilon;&sigmaf;..&Eta; &alpha;&upsilon;&chi;&epsilon;&nu;&iota;&kappa;ή ή&tau;&alpha;&nu; &pi;&omicron;&lambda;ύ &kappa;&alpha;&lambda;ή 2.03mm. &Omicron;&rho;&alpha;&tau;ό &rho;&iota;&nu;&iota;&kappa;&omicron; &omicron;&sigma;&tau;ό. &Beta;&gamma;ή&kappa;&alpha;&nu; &tau;&alpha; &alpha;&pi;&omicron;&tau;&epsilon;&lambda;έ&sigma;&mu;&alpha;&tau;&alpha; &tau;&omicron;&upsilon; Papp-a &kappa;&alpha;&iota; &epsilon;&nu;ώ &sigma;ύ&mu;&phi;&omega;&nu;&alpha; &mu;&epsilon; &tau;&eta;&nu; &eta;&lambda;&iota;&kappa;ί&alpha; &mu;&omicron;&upsilon; &omicron;&iota; &pi;&iota;&theta;&alpha;&nu;ό&tau;&eta;&tau;&epsilon;&sigmaf; &gamma;&iota;&alpha; &sigma;ύ&nu;&delta;&rho;&omicron;&mu;&omicron; down ή&tau;&alpha;&nu; 1/869 &tau;&omicron; &delta;&iota;&kappa;ό &mu;&omicron;&upsilon; &alpha;&pi;&omicron;&tau;έ&lambda;&epsilon;&sigma;&mu;&alpha; &mu;&epsilon; &tau;&rho;&omicron;&pi;&omicron;&pi;&omicron;&iota;ή&sigma;&epsilon;&iota;&sigmaf; ή&tau;&alpha;&nu; 1/673.&Tau;&iota; &mu;&pi;&omicron;&rho;ώ &nu;&alpha; &kappa;ά&nu;&omega;?