A urinary tract infection (UTI) is a common health problem among women—about 1 out of every 5 women will develop at least one in her lifetime. UTI typically refers to a bacterial infection within any part of a woman's urinary system, including the kidneys, ureters, bladder and urethra. While people might be embarrassed to talk about UTIs, it's important to know how they happen, how to recognize them and how to treat and prevent them. Let's learn more. Why are UTIs more common in women? Anyone can be affected by a UTI, including men, women, older adults and children. But women experience UTIs