This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Urology, Subject name: Surgery
Asymptomatic bacteriuria is seen in 
Select and explain. 
A. Anemia, B. Hypeension, C. Gestational diabetes, D. PID
D: PID
Answer: D: PID 
Explanation: Asymptomatic bacteriuria is used when a bacterial count of the same species over 10^5/ml in midstream clean catch specimen of urine on two occasions in women or on a single occasion in men is detected without symptoms of urinary infections. E.coli is the offending organism in over 90% cases. Other pathogens are Klebsiella pneumoniae and Proteus. Asymptomatic bacteriuria occurs in a small number of healthy people. It affects women more often than men.The following increases the risk: Diabetes Infected kidney stones Kidney transplant Older age Pregnancy -- up to 40% of pregnant women with untreated asymptomatic bacteriuria will develop a kidney infectioncatheterised patients Vesicoureteral reflux (backward movement of urine from the bladder into ureters or kidneys) in young children.