Useful For

All applications that require moderately sensitive measurement of estradiol:

-Evaluation of hypogonadism and oligo-amenorrhea in females

-Assessing ovarian status, including follicle development, for assisted reproduction protocols (eg, in vitro fertilization)

-In conjunction with luteinizing hormone measurements, monitoring of estrogen replacement therapy in hypogonadal premenopausal women

-Evaluation of feminization, including gynecomastia, in males

-Diagnosis of estrogen-producing neoplasms in males and, to a lesser degree, females

-As part of the diagnosis and workup of precocious and delayed puberty in females, and, to a lesser degree, males

-As part of the diagnosis and workup of suspected disorders of sex steroid metabolism (eg, aromatase deficiency and 17 alpha-hydroxylase deficiency)

-As an adjunct to clinical assessment, imaging studies and bone mineral density measurement in the fracture risk assessment of postmenopausal women, and, to a lesser degree, older men

-Monitoring low-dose female hormone replacement therapy in postmenopausal women

-Monitoring antiestrogen therapy (eg, aromatase inhibitor therapy)