A healthy 18 year-old female college student presents to her…
A healthy 18 year-old female college student presents to her provider for a well exam and college vaccinations. She continues to have regular menstrual cycles, but complains of heavier than usual menses past few months. She states she woke up today with dysuria. She denies malaise, heart palpitations, chest pains, fainting, fever, or urinary frequency. Currently, she takes no medications, denies alcohol, tobacco, vaping, or illicit drugs. She denies sexual activity. Wt: 133lb; Ht: 63″ BP: 122/78; T: 99.0 F; R: 12 HR: 82; O2 sat: 98% UA: pos leukocyte esterase, neg nitrite, neg ketone, neg glucose, 1.030 specific gravity; neg blood, neg protein Hgb: 12.6 The physical exam was unremarkable. The nurse practitioner considers which of the following as a differential diagnosis?