How long must problems persist to classify a sexual dysfunction?

To classify a sexual dysfunction according to the DSM-5 criteria, the symptoms must typically persist for at least 6 months. This duration is essential as it helps differentiate between fleeting or situational sexual issues and those that are more chronic and require clinical attention. The DSM-5 emphasizes a duration of 6 months in order to ensure that the dysfunction is not merely a temporary consequence of stress, factors related to a particular situation, or transitory changes in sexual function.

In the context of other durations mentioned, such as 3 months, 9 months, or 12 months, these do not align with the established guidelines set forth in the DSM-5 framework, which specifically outlines the 6-month criterion as necessary for a formal diagnosis of sexual dysfunction. Therefore, the correct classification requires problems to persist for at least this period to ensure they are of clinical significance.