A 22 year old female presents with facial hair and irregular menstruation. What is the best option for further evaluation?

In this scenario, the patient presents with symptoms that suggest a hormonal imbalance, specifically related to conditions such as polycystic ovary syndrome (PCOS). The irregular menstruation and facial hair (hirsutism) indicate that further evaluation of the patient's metabolic and hormonal status is essential to understand the underlying causes.

Testing the blood glucose level is particularly relevant here because many women with conditions like PCOS have insulin resistance, which can lead to elevated blood sugar levels. Assessing blood glucose levels can help determine whether the patient is experiencing metabolic disorders associated with hormonal imbalances. Additionally, it can guide potential treatments addressing both metabolic health and the symptoms presented.

The other options, while potentially useful in different contexts, do not directly pertain to the primary issues indicated by the patient's symptoms. Blood pressure measurements, white blood cell counts, and tenesmus do not provide relevant insights into the hormonal or metabolic evaluations needed for this particular clinical picture.