Gynaecology & Obstetrics Most sensitive screening test in diabetic mothers for congenital malformation is: A MS AFP B Blood glucose C Amniotic fluid AFP D HbA1C (Glycosylated hemoglobin) 💡 Explanation Most sensitive screening test in diabetic mothers for congenital malformation is: ✓ Correct Answer: D. HbA1C (Glycosylated hemoglobin)