The complete Prenatal screen (LPA 005) for the detection and quantification of chromosomes 13,18 and 21 is available in 5 and 10 test kits.
Probe Information: 

• 13 unique sequence (13q14.2) Green
• 18 centromere 18p11.1-q11.1 (D18Z1) Blue
• 21 unique sequence (21q22.13) Orange