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
What is the normal weight gain in normal pregnancy? 
Select and explain. 
A. 6-Apr, B. 8-Jun, C. 10-11 kg, D. 18-20
C: 10-11 kg
Answer: C: 10-11 kg 
Explanation: The total weight gain during the course of a singleton pregnancy for a healthy woman averages 11 kg. This has been distributed to 1kg in first trimester and 5 kg each in second and third trimester. Ref: Textbook of Obstetrics by DC Dutta, 6th edition, Page 50.