Estradiol

Also known as: E2 Estradiol

What you need to know about study Estradiol

Sample type Serum or plasma
Delivery time 12 hours
Do I need to fast? Sí

What is this study and what is it for?

All applications that require a sensitive estradiol measurement: -Assessment of hypogonadism and oligomenorrhea in women. -Ovarian status assessment, including follicle development, for assisted reproduction protocols (for example, in vitro fertilization). -Along with luteinizing hormone measurements, monitoring of estrogen replacement therapy in hypogonadal premenopausal women. -Feminization assessment, including gynecomastia, in men. -Estrogen-producing neoplasms diagnosis in men and, to a lesser extent, in women. -As part of the diagnosis and study of early and late puberty in women and, to a lesser extent, in men. -As part of the diagnosis and treatment of suspected sex steroid metabolism disorders (e.g., aromatase deficiency and 17 alpha-hydroxylase deficiency). -As an adjunct to clinical assessment, imaging studies, and bone mineral density measurement in fracture risk assessment of postmenopausal women and, to a lesser extent, older men. -Follow-up of low-dose female hormone replacement therapy in postmenopausal women. -Antiestrogen therapy monitoring (e.g., aromatase inhibitor therapy).

What type of sample is needed?

Serum or plasma

Preparation / Instructions

At the time of your visit, please have a minimum fast of 8 hours and maximum of 12 hours. In patients 0 to 1 years old the minimum fast is 2 hours and in 1 to 6 years old the minimum fast is 4 hours.

Delivery time

12 hours

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