A 21-yr-old female client received instructions on how to prevent recurrence of urinary tract infections. Which statement indicates that teaching was effective?

Prevention of recurrent cystitis involves mechanical flushing of the urethra and maintaining the biological integrity of the vaginal microbiome. Health education must emphasize the avoidance of irritants and the importance of complete antibiotic adherence to prevent the selection of resistant bacterial strains within the urinary tract. A. Stopping antibiotics early when symptoms disappear is a common mistake that leads to recurrent infections and antibiotic resistance. Patients must be taught to complete the entire prescribed course to ensure the total eradication of the pathogen, even if they feel better after the first few doses of medication. B. Consuming only 3 to 8 ounces of water daily is severely inadequate and would lead to dehydration and concentrated urine. To prevent urinary tract infections, patients should be encouraged to increase fluid intake to approximately 2 to 3 liters daily to promote frequent voiding and the mechanical flushing of bacteria. C. Vaginal douching, especially with vinegar, is discouraged because it disrupts the normal pH and the protective Lactobacillus flora of the vagina. Eliminating these beneficial bacteria allows uropathogens like Escherichia coli to colonize the vaginal introitus more easily, significantly increasing the risk of ascending infections into the urinary bladder. D. Urinating before and especially after sexual intercourse is a highly effective behavioral intervention. This practice helps to mechanically flush out any bacteria that may have been introduced into the urethra during physical activity. It is a key teaching point for young women who experience frequent post-coital urinary tract infections.