###Answer: OPTION B IS CORRECT.
###Question: A patient has IDDM diagnosed at age of 15 years. The most reliable indicator for diabetic nephropathy is -
###Options:
A. Urine albumin <50 mg per day in 3 consecutive samples
B. Urinary protein >550 mg per day for 3 consecutive samples
C. Development of diabetic retinopathy
D. Hematuria
