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9362. Estrone (E1)
Important information
The test is performed at Synevo laboratory in Germany.
Description
Estrone is one of the biologically active forms of estrogen, with significantly lower potency than estradiol. Estrone is present in varying concentrations throughout a woman’s life.
Its measurement is essential for assessing hormonal changes during menopause and for diagnosing various disorders of the female reproductive system.
When and who needs the test?
In pediatrics:
- disorders of pubertal development.
In men:
- infertility
- dysfunctions of the hypothalamic–pituitary–gonadal axis
- gynecomastia
- testicular tumors
- adrenal cortex hyperplasia
- osteoporosis
In women:
- infertility
- dysfunctions of the hypothalamic–pituitary–gonadal axis
- gynecomastia and ovarian tumors
- adrenal cortex hyperplasia
- ovulation monitoring in stimulation cycles
- osteoporosis
- estradiol-to-estrone (E2/E1) ratio as a marker of the climacteric period
- obesity
- hepatic steatosis
- high risk or presence of estrogen-dependent neoplasms
- ovarian dysfunction, menstrual irregularities, use of contraceptives or anti-estrogens (e.g., tamoxifen and its analogues: Bilem, Zitazonium, Novofen, and Nolvadex)
Biological material
- Venous blood
Preparing for a blood test
In order to exclude factors that may affect the test results, we recommend to follow the preparation rules:
- an important condition for laboratory tests is to take blood on an empty stomach.
- 6-12 hours before the test, you should avoid eating, drinking alcohol, smoking, and limit physical activity. Drinking...