TOPICS: Postmenopause, sexual intercourse, catheter, vesicoureteral reflux, urinary stasis, neurogenic bladder, pelvic organ prolapse, benign prostatic hyperplasia, prostate cancer, nitrates, pyuria, leukocyte esterase, dysuria, urethral discharge, sterile pyuria, gonorrhea, chlamydia, e coli, staphylococcus saprophyticus, acute pyelonephritis, CVA tenderness, perinephric standing, chronic pyelonephritis