@Misha Although no method guarantees complete prevention of urinary tract infections, you can significantly minimize your risk by adhering to the following precautions:
Stay well hydrated and ensure you’re electrolytes are balanced
Don’t ignore the urge to urinate. Urinate promptly and void completely. Not everyone will void completely the first time around, so when the urine stream stops, wait a moment, take a few breaths, and void again. You may be surprised at the amount of urine you void during the second go-around!
Always wipe from front to back after a bowel movement
Opt for comfy cotton undies and loose-fitting clothes down there. Comfy cotton and linen clothing much better than polyester and spandex.
Up-level your sexual hygiene as much as possible. If you know you are prone to UTIs, consider having both you and your partner shower with a gentle castile soap (and brushing your teeth if you think you may have saliva in the mix) before intercourse. Empty your bladder immediately after intercourse, and if you have the option, give yourself a quick splash with fresh water. This may not sound romantic, but it’s much sexier than being stuck with a UTI!
Take a probiotic that supports good vaginal health, such as Jarrow’s FemDophilus or Renew Life Women’s Vaginal probiotic.
And if you’re prone to UTI infections, the general recommendation is to take a preventative dose of cranberries and d-mannose regularly (until cause is addressed), not only when a twinge is felt.
In food form, cranberries can be added to a daily smoothie. Whole, unsweetened cranberries are preferable to cranberry juice, unless it is consumed truly unsweetened (most cranberry juice is highly sweetened).
And d-mannose can be used preventatively against UTIs (1000mg once per day), and research has concluded it to be safe in pregnancy which you can read about here. A higher dose (2-3 x per day) can be used at the first sign of a twinge. But of course always check with your practitioner.