FSH
Also known as: Follicle-stimulating hormone
Formal name: Follicle-stimulating hormone, serum
At a Glance
Why Get Tested?
To evaluate your pituitary function, especially as it relates to fertility issues, gonadal failure, maturation concerns, or pituitary tumors
When to Get Tested?
When you are having difficulty getting pregnant or are having irregular menstrual periods; when your doctor thinks that you have symptoms of pituitary or hypothalamic disorders or symptoms of ovarian or testicular disease; or 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 may be taken
Test Preparation Needed?
None
