Gynaecology & Obstetrics Ba test is:- A HCG + AFP + Placental alk.Phosphatase B AFP + Uric acid + LDH C HCG + AFP + Unconjugated Estriol D HCG + AFP + PAPP-A 💡 Explanation Ba test is:- ✓ Correct Answer: C. HCG + AFP + Unconjugated Estriol