Is there a relationship between urinary tract infections and sexual activity?
Generally, urinary tract infections (UTIs) may be somewhat related to sexual intercourse, but not all UTIs are caused by sexual activity. If you have concerns, it is recommended to seek medical advice in advance. Detailed analysis is as follows:

During sexual intercourse, if hygiene conditions are poor, external bacteria may be introduced into the urethra. Particularly in women, the urethra is shorter and closer to the anus, making it easier for bacteria to invade and cause infection. Some individuals may experience symptoms such as frequent urination and urgency after sexual intercourse.
However, many UTIs are unrelated to sexual activity. For example, inadequate daily genital hygiene, prolonged sitting with retained urine, and decreased immune resistance can all lead to bacterial growth and subsequent infection. These situations are not directly associated with sexual intercourse.
In daily life, it is important to maintain genital hygiene before and after sexual intercourse, avoid holding urine for long periods, and maintain good hygiene habits. If symptoms of infection occur, timely medical evaluation is necessary to identify the cause and implement targeted treatment.