Umuyoboro wo gukusanya amaraso ya ADN utaravuka urashobora kurinda neza urugero rwamaraso mugihe cyo gukusanya, kubungabunga no gutwaracfDNA.
1. Irashobora kwirinda neza kwanduza ADN genomic kuva selile mugihe cyo kubika amaraso no gutwara.
2. Irinde kwangirika kwa cfDNA y'icyitegererezo.
3. Irinde cfDNA guhuza hamwe nibindi binyabuzima nka proteyine.