A patient experiencing irregular menses is most likely to have which endocrine disorder?

The most likely endocrine disorder associated with irregular menses is polycystic ovary syndrome (PCOS). This condition is characterized by a hormonal imbalance that can disrupt the normal regulation of the menstrual cycle. In PCOS, elevated levels of androgens (male hormones) can lead to irregular or absent menstruation, as well as other symptoms like acne, hirsutism, and weight gain.

PCOS is one of the most common hormonal disorders in women of reproductive age and often presents with symptoms related to ovulatory dysfunction, making the connection between irregular menses and PCOS particularly strong. The condition can cause ovarian cysts, but irregular periods stem primarily from hormonal imbalances rather than physical abnormalities in the reproductive organs.

In contrast, other options like hyperthyroidism or hypothyroidism can also lead to menstrual irregularities, but they encompass a broader range of symptoms that are less specifically linked to menstrual cycle irregularities compared to PCOS. Cushing's syndrome can cause changes in menstrual patterns as well, but it typically presents with a more diverse array of symptoms related to excess cortisol, making it less commonly the primary suspect in cases of isolated irregular menses. Thus, PCOS remains the most prominent endocrine disorder directed linked to irregular