Most common cause of maternal anaemia in pregnancy: (A) Acute blood loss, (B) Iron deficiency state, (C) Gastrointestinal blood loss, (D) Hemolytic anaemia
Answer is B. 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