A pregnant woman presented with pallor, shortness of breath, lethargy and palpitation. Her blood examination revealed hemoglobin level of 9 gm/dl. In your opinion what could be the probable deficiency in the woman?

A pregnant woman presented with pallor, shortness of breath, lethargy

1.	A pregnant woman presented with pallor, shortness of breath, lethargy and palpitation. Her blood examination revealed hemoglobin level of 9 gm/dl. In your opinion what could be the probable deficiency in the woman?
A.	Iron
B.	Niacin
C.	Vitamin C
D.	Iodine
Answer» B. Niacin