Requirements for Prenatal testing
- The sample material is DNA separated from fetal chorionic cells or amniocytes.
- The amount of DNA required for the test is 2 µg .
- Recommended DNA concentration is 20-100 ng/µl.
- The sample material for excluding maternal DNA contamination, is 2-4ml whole blood with EDTA anticoagulant or 30-50 ng genomic DNA.