This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Medical, surgical and gynaecological illness complicating pregnancy, Subject name: Gynaecology & Obstetrics
Most common cause of maternal anaemia in pregnancy 
Select and explain. 
A. Acute blood loss, B. Iron deficiency state, C. Gastrointestinal blood loss, D. Hemolytic anaemia
B: Iron deficiency state
Answer: B: Iron deficiency state 
Explanation: According to WHO anemia in pregnancy is defined as haemoglobin level below 11g/dl Iron deficiency anemia is the most common cause of anaemia both in the non pregnant and pregnant state Reference: Text Book of Obstetrics; Sheila Balakrishnan; 2nd edition; Page no: 285