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
Weight gain during pregnancy is: March 2012 
Select and explain. 
A. 10 kg, B. 12 kg, C. 15 kg, D. 20 kg
B: 12 kg
Answer: B: 12 kg 
Explanation: Ans: B i.e. 12 Kg Weight gain during pregnancy: Reproductive weight gain: 6 Kg (fetus: 3.3 Kg, placenta: 0.6 Kg, liquor: 0.8 Kg, uterus: 0.9 Kg, breasts: 0.4 Kg & accumulation of fat & protein: 3.5 Kg) and Net maternal weight gain: 6 Kg (increase in blood volume: 1.3 Kg & increase in extracellular fluid: 1.2 Kg).