Screening test in the first trimester of pregnancy for fetal Trisomy 21/Down syndrome and Trisomy 18/Edward's Syndrome.
Transport spun tube to testing laboratory; pour off is not advised
Gold serum separator (SST) tube
Ambient (preferred) - 7 days
Refrigerated - 14 days
Frozen - 14 days
Freeze/thaw cycles - stable x3
An interpretive report will be provided