A 25-year-old woman with 30-week-pregnancy developed pallor and her blood report shows Hb-7.5 gm/dl, MCV 65 fl, MCH 18 pg. For further evaluation of her anemia, required investigations include
A
Serum ferritin
B
Serum iron
C
Total iron binding capacity
D
Soluble transferrin receptor assay
E
Serum protein electrophoresis
Correct Answer: Serum ferritin, Serum iron, Total iron binding capacity, Soluble transferrin receptor assay