Which is the best marker for NTD?: (A) aFP, (B) hCG, (C) Pseudocholinesterase, (D) Inhibin-A
Answer is A. a. aFP(Ref: Nelson's 20/e p 2802)Prenatal screening of maternal serum for AFP in the 16th-18th wk of gestation is an effective method for identifying pregnancies at risk for fetuses with neural tube defects in utero.