An E2 (Estradiol) test measures the amount of the hormone estradiol, a hormone produced by both males and females. Though estradiol is primarily a female sex hormone that is produced by the ovaries, breasts, and adrenal glands, males also produce ...

Normal Range of Estradiol (E2)

• Women (premenopausal): 15 to 350 pg/mL (depending on the phase of the menstrual cycle)
• Women (postmenopausal): Less than 10 to 50 pg/mL
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- **Sample Required:** A blood sample is drawn from a vein in the arm.
- **Preparation:** No special preparation is usually required, although the timing of the test might be important in women, depending on the phase of the menstrual cycle...