Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Schematic illustration showing the principle of analyzing the tissue of origin for plasma DNA copy number aberrations using plasma DNA tissue mapping. Three clinical scenarios are illustrated: (A) pregnancy involving a trisomy 21 fetus; (B) cancer; and (C) pregnancy with concurrent malignancy. Ref Chr, reference chromosome.
