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
The screening test for gestational diabetes mellitus that has highest sensitivity is : 
Select and explain. 
A. Glycosylated Hb, B. Blood fructosamine, C. 50gms glucose challenge test, D. Random blood sugar
C: 50gms glucose challenge test
Answer: C: 50gms glucose challenge test 
Explanation: 50gms glucose challenge test