This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Gynaecology & Obstetrics
According to WHO, anemia in pregnancy is diagnosed, when hemoglobin is less than: 
Select and explain. 
A. 10.0 gm%, B. 11.0 gm%, C. 12.0 gm%, D. 9.0 gm%
B: 11.0 gm%
Answer: B: 11.0 gm% 
Explanation: “According to the standards laid by WHO – Anemia in pregnancy is defined as when hemoglobin is 11 gm/100 ml or less or hematocrit is less than 33%”.