Ba test is:-: (A) HCG + AFP + Placental alk.Phosphatase, (B) AFP + Uric acid + LDH, (C) HCG + AFP + Unconjugated Estriol, (D) HCG + AFP + PAPP-A
Answer is C. 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