DNA cov ntshav sau raj rau cov uas tsis yog-invasive prenatal tuaj yeem tiv thaiv cov ntshav kuaj thaum lub sijhawm sau, khaws cia thiab thauj mus los.cfDNA.
1. Nws tuaj yeem tiv thaiv kev sib kis ntawm genomic DNA los ntawm cov hlwb thaum lub sijhawm khaws cov ntshav thiab kev thauj mus los.
2. Tiv thaiv cfDNA degradation ntawm tus qauv.
3. Tiv thaiv cfDNA los ntawm kev sib txuas nrog lwm cov biomolecules xws li cov proteins.
