E2 (Estradiol)

Also referred as

Estrogen Test

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An E2 (Estradiol) test measures the amount of estradiol, a form of estrogen hormone, in the blood. This test is used to assess reproductive health, diagnose hormone-related conditions, monitor fertility treatments, and evaluate certain health conditions such as menstrual irregularities, infertility, and menopausal symptoms.

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Understanding E2 (Estradiol)

Estradiol, or E2, is the body's primary and most potent form of estrogen. It is vital for developing and maintaining female reproductive tissues, regulating the menstrual cycle, follicle development, ovulation, pregnancy, bone health, and overall well-being.

E2 levels fluctuate throughout the menstrual cycle, with peak levels occurring during the follicular phase (before ovulation) and gradually decreasing after ovulation. Also, estradiol levels are typically lower in postmenopausal women than in premenopausal women due to decreased ovarian function. Hence, measurement of estradiol levels with the help of an E2 (Estradiol) test helps evaluate ovarian function, menstrual irregularities, and menopausal status.

Abnormal estradiol or E2 levels may be observed in various hormonal disorders, including PCOS, hyperthyroidism, hypothyroidism, and adrenal gland disorders, making an E2 (Estradiol) test a valuable tool to diagnose these disorders and monitor hormone replacement therapy. Abnormal estradiol levels may also indicate decreased ovarian reserve or ovarian dysfunction affecting fertility. This test is, therefore, valuable for fertility assessments to evaluate ovarian reserve, predict response to fertility treatments such as in vitro fertilization (IVF), and monitor fertility treatment protocols.

No special preparation is required for an E2 (Estradiol) test. You can eat and drink as per your daily routine. Your doctor may recommend this test if you experience symptoms related to hormone imbalances, such as irregular menstrual periods, infertility, hot flashes, mood changes, or symptoms of menopause.

Inform your doctor if you take any medications, supplements, and birth control pills before the test, as they can interfere with your test results. It is important to note that estradiol levels can vary throughout the day and woman's menstrual cycle. As a result, the doctor may ask you to get your blood test at a particular time of day or at a specific time in your cycle.

Reference ranges may vary between laboratories. Normal estrogen results depend upon the gender and age of the person tested. In women, test results can also rely on pregnancy. Talk to your doctor about your specific test results. The results will help them determine your medical condition and whether medication/supplements will be required to manage it.

What does E2 (Estradiol) measure?

An E2 (Estradiol) test measures estradiol levels, a hormone produced in men and women. It helps assess early or delayed puberty, menstrual problems, symptoms associated with menopause, or certain cancers like ovarian cancer. This test provides valuable information about ovarian function and aids doctors in evaluating menstrual issues, such as abnormal bleeding or missed periods. The test can also assess the health of the testes, ovaries, or adrenal glands. Most diseases associated with estrogen/estradiol, such as PCOS, infertility, some cancers, etc., can be prevented by lifestyle modifications, menopausal hormone therapy, or other supplements such as calcium, vitamin D, and micronutrients.

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Test Information is reviewed by: Dr. Swati Gupta (Anand), MD Lab Medicine, MBBS and written by Dr. Lipika Khurana, PGDHHM, BDS . The test details are for information purpose only. Consult a doctor before taking any test. Last updated on: 10th Nov 2026

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E2 (Estradiol) test price for other cities

Price in	Bangalore	Rs. 679
Price in	New Delhi	Rs. 689
Price in	Mumbai	Rs. 679
Price in	Hyderabad	Rs. 689
Price in	Pune	Rs. 699

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FAQs related to E2 (Estradiol)

Why do I need an E2 (Estradiol) test?

An E2 (Estradiol) test is necessary to diagnose difficulties in conceiving, menstrual problems, ovarian tumors, early puberty in adolescents, menopausal symptoms, or breast cancer. Additionally, doctors use this test during infertility treatment with assisted reproductive technology (ART) to monitor hormone levels throughout the treatment process.

What happens if my estradiol is too low?

Low estradiol levels can cause irregular menstrual cycles, reduced fertility, bone density loss, increased osteoporosis risk, hot flashes, mood changes, and vaginal dryness during menopause.

How to fix low estradiol levels?

Always consult your doctor if your test reports show low estradiol levels. However, certain natural ways can help to increase your estradiol/estrogen levels. These include foods that boost estrogen levels such as soybeans, flaxseeds, apples, berries, broccoli, sprouts, etc. Additionally, taking supplements to maintain adequate vitamins and minerals is also helpful.

Can I get pregnant with high estradiol levels?

High levels of estradiol indicate that you might have a problem with your ovarian reserve. It could also mean that the estradiol is suppressing the ovarian follicle-stimulating hormone (FSH). Either of these things could mean that you will have more trouble getting pregnant. It is important to consult a doctor/gynecologist to address the underlying causes and explore appropriate options for conception.

What might affect my estradiol test results?

Certain medicines, such as oral contraceptives and clomiphene, can decrease the levels of estradiol. Drugs that can increase the levels of estradiol include estrogen, glucocorticosteroid, phenothiazine, ampicillin, and tetracycline-containing drugs. In addition to medicines, certain conditions, like anemia, high blood pressure, and kidney and liver dysfunction, can also affect the results of an Estradiol test.

How does an Estradiol test for fertility?

An Estradiol test measures estradiol levels to evaluate the health of the ovaries and monitor the maturation of the ovum (eggs). Fluctuations in estradiol levels during the menstrual cycle provide insights into ovulation and reproductive health, help diagnose issues like polycystic ovary syndrome (PCOS), and guide fertility treatment decisions.

What other tests might be required if my Estradiol test results are not normal?

Other tests that your doctor might advise if your E2 (Estradiol) test results are not normal include the Follicle-Stimulating Hormone (FSH) test, Luteinizing Hormone (LH) test, Thyroid-stimulating hormone (TSH) or Free thyroxine (T4) test, and a Prolactin test for conditions such as precocious (early) puberty, absent menstrual cycles, menopausal problems, and infertility issues.

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