Estradiol Test (E2)
- Category
- Women's Health
- Sample
- Blood sample taken from a vein in your arm
- Reports () Terms & Conditions Report time varies with time of sample collection.
- In 2 days
- Fasting
- No Fasting
- Age
- 10-60 Years
Measures estradiol (E2), the main form of oestrogen in women of reproductive age.
Assesses ovarian function, infertility, menstrual problems, menopause and early or delayed puberty, and monitors IVF/fertility treatment. In men it helps evaluate breast enlargement.
Irregular or absent periods, PCOS symptoms (acne, excess hair), infertility, pregnancy planning or menopause symptoms.
No fasting needed.
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For women, your doctor may ask for the sample on a specific day of the menstrual cycle (often day 2–5).
No fasting is needed. You can eat and drink normally unless your doctor has advised otherwise.
Blood sample taken from a vein in your arm.
Usually within 13–37 hours after the sample reaches the lab. You will receive the report online.