Why get tested?
To evaluate your pituitary function, especially in terms of fertility issues

When to get tested?
If you are having difficulty getting pregnant or are having irregular menstrual periods; if your doctor thinks that you have symptoms of a pituitary or hypothalamic disorder or symptoms of ovarian or testicular disease; when a doctor suspects that a child has delayed or earlier than expected sexual maturation

Sample required?
A blood sample drawn from a vein in your arm; sometimes a random urine sample or 24-hour urine collection