A

Lavender Vacutainer, EDTA anticoagulant, 4ml/6ml (6ml EDTA tubes are used for specific PCR assays)

H

Green Vacutainer, Lithium heparin anticoagulant, 6ml

AF

Amniotic fluid (5mls PCR – 10mls Karyotype)

CVS

Chorionic Villus (medium provided by laboratory))