"a pregnant client comes to the prenatal clinic complaining of urinary frequency and lower back pain on the right, stating that this has never happened before. an exam validates the diagnosis of pyelonephritis. what factors would contribute to this condition?

Pyelonepheritis is basically the inflammtion of kidney.

There alot of causes of pyelonephritis apart from pegnancy as the most common being the bacterial infection.

Explanation:

Pyelonephritis is the severe infection of the kidneys, which may cause fever and flank tenderness along with nausea,vomiting,burning and frequent mictuaration.

Its main cause is bacterial infection mainly 80% infected by E.coli, other bacteria includes Protues, Staphylococcus,Klebsiella species.

Risk factors include sexual intercourse, previous urinary tract infections, diabetes and structural problems of urinary tract.

a "theory" a suggestion that is not 100 % accurate, or a figure. some people say its a theory because they of all the passed theory's about one subject. it depends sometimes theory might be accurate and sometimes they are.