What causes urinary track infection and how to avoid?

See Below: The 3 main risk factors for recurrent UTI in women are an increased frequency of sexual intercourse, the use of a spermicide and diaphragm, and the loss of estrogen’s effect in the vagina. Patients may benefit from attempting to void immediately after intercourse to lessen the risk of coitus-related introduction of bacteria into bladder, and drinking cranberry juice (10 oz/days)