TESTOSTERONE, FREE

Confirmation of true testosterone status in patients with actual or suspected abnormal SHBG levels (abnormal SHBG levels may occur in a variety of situations e.g. obesity, thyroid disease, liver disease, with some drugs etc.). Evaluation of suspected male hypogonadism (low libido, erectile dysfunction, etc.). As a follow up test for abnormal semenalysis results (e.g. azoospermia, oligospermia). Assessment of infertility, precocious male puberty, amenorrhea, oligomenorrhea. Evaluation of virilization in females [e.g. from PCOS, androgen secreting ovarian or pituitary tumors, congenital adrenal hyperplasia etc.). Evaluation of ambiguous genitalia and disorders of sex development (DSDs)].