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Also known as: AD
Formal name: Androstenedione

At a Glance

Why Get Tested?

To help evaluate adrenal gland function; to detect adrenal tumors or cancers; to help determine the cause of male physical characteristics (virilization) in females or early puberty in boys; to evaluate androgen production and ovarian and testicular function; to monitor treatment for congenital adrenal hyperplasia (CAH)

When to Get Tested?

When a woman has excess facial and body hair (hirsutism), acne, no monthly menstrual periods (amenorrhea), or infertility; when a male child is undergoing very early (precocious) puberty or a female child is showing signs of virilization; when puberty is delayed; periodically when being treated for CAH

Sample Required?

A blood sample drawn from a vein in your arm

Test Preparation Needed?

In menstruating women, collect one week before or after menstrual period, or as instructed.