Ba test is:-
Ba test is also known as Triple marker test It is combined biochemical test which includes MSAFP , hCG & UE3. In an affected pregnancy , level of MSAFP and UE3 tend to be low while hCG is high
HCG + AFP + Placental alk.Phosphatase
AFP + Uric acid + LDH
HCG + AFP + Unconjugated Estriol
HCG + AFP + PAPP-A
Obstetrics