“Positive predictive value” (PPV) is the chance that a high risk result is correct and that your pregnancy does in fact have the condition noted.  With Panorama NIPT the PPVs are as follows:

• Trisomy 21: 91%
• Trisomy 18: 93%
• Trisomy 13: 38%
• Monosomy X: 50%
• Triploidy: 5.3%
• Sex chromosome trisomies: 89%
• 2 microdeletion syndrome (DiGeorge syndrome): 20%
• 1p36 microdeletion syndrome: 7-17%
• Angelman syndrome: 10%
• Cri-du-chat syndrome: 2-5%
• Prader-Willi syndrome: 5%”