Dual, Triple and Quadeuple Test

Parameter

Dual Test

Triple Test

Quadruple Test

Timing

First trimester

Second trimester

Second trimester

Components

1. Beta-hCG

2. PAPP-A

 

• Nuchal

translucency

1. Beta-hCG

2. AFP

3. uE3

1. Beta-hCG

2. AFP

3. uE3

4. Inhibin A

 

Edwards syndrome, Down syndrome and NTD (Neural tube defect)-
 

 

HCG

uE3

MSAFP

Trisomy 18

(Edward syndrome)

Low 

Low 

Low 

Trisomy 21

(Down’s syndrome)

High 

Low 

Low 

Neural tube defect

-

-

High

View in web app Open in TCML App