Oestradiol (E2) Blood Test
Oestradiol (E2) Blood Test
Oestradiol (E2) Blood Test
Oestradiol (E2) Blood Test
Oestradiol (E2) Blood Test
Oestradiol (E2) Blood Test
Oestradiol (E2) Blood Test
Oestradiol (E2) Blood Test
Oestradiol (E2) Blood Test
Oestradiol (E2) Blood Test
Oestradiol (E2) Blood Test
Oestradiol (E2) Blood Test
Oestradiol (E2) Blood Test
Oestradiol (E2) Blood Test

Over 250k Biomarkers Tested

Oestradiol (E2) Blood Test

$55.00 AUD

Dealing with irregular periods, fertility concerns, or menopause symptoms? Measuring oestradiol gives your practitioner a clearer picture of where your oestrogen levels sit.

The Oestradiol (E2) Blood Test measures the most potent form of oestrogen in your blood. In women it plays a central role in the menstrual cycle, fertility, and bone density; in men it is produced in small amounts from testosterone and supports bone health and libido. Used to investigate fertility, irregular periods, menopause, and hormonal symptoms.

Collection Location
Specimen Type

You will be emailed a referral to take to your local collection centre. If you ever have any questions, we're here to help.

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Private health tests

How It Works

Getting your health measured shouldn't be hard! We're here to help you every step of the way.

1
Order a test

Order a test

Order the private test that suits you and your goals. After ordering, you will receive your referral by email.

2
Collect the sample

Collect the sample

Attend one of our 4000+ partner collection centres throughout Australia. Search locations.

3
Receive your results

Receive your results

View all your lab results in your secure health dashboard. Easy!

Overview

Oestradiol (E2) is the most potent and abundant form of oestrogen in the body. In women of reproductive age, it is primarily produced by the ovaries and fluctuates throughout the menstrual cycle, peaking just before ovulation. In men, smaller amounts are produced through the conversion of testosterone by the aromatase enzyme. Oestradiol supports bone density, brain function, cardiovascular health, and reproductive function in both sexes.

In women, oestradiol testing is used to investigate fertility, menstrual irregularity, premature ovarian insufficiency, and menopause. An early-cycle measurement (day 2 or 3) alongside FSH provides information about ovarian reserve. Mid-cycle levels reflect the follicle's oestrogen production leading up to ovulation. After menopause, oestradiol drops to very low levels as the ovaries cease significant production.

In men, oestradiol testing is relevant when there are signs of hormonal imbalance such as gynaecomastia (breast tissue development), reduced libido, or sexual dysfunction. Elevated oestradiol in men is sometimes associated with obesity, liver conditions, or medications that affect testosterone conversion.

This test measures total serum oestradiol using an immunoassay method, which is appropriate for most clinical situations. When very low levels need to be measured accurately, such as in post-menopausal women, men, or children, the more sensitive LCMS (liquid chromatography-mass spectrometry) version of this test may be more suitable. Your practitioner will advise which version is right for your situation.

Symptoms

Suited to women investigating fertility, irregular or absent periods, early or premature menopause, or symptoms of hormonal imbalance. Also used in men experiencing unexplained gynaecomastia or as part of a broader hormonal assessment. Relevant for people on hormone therapy who need to monitor oestrogen levels.

Questions

  • For fertility and ovarian reserve investigations, oestradiol is typically tested on day 2 or 3 of your cycle (day 1 being the first day of full flow). This timing, combined with FSH, gives a baseline picture of ovarian function. For other purposes such as menopause assessment or monitoring hormone therapy, cycle day is less critical. Follow your practitioner's advice on timing.
  • No fasting is required. You can eat and drink normally before your collection.
  • The standard oestradiol test uses an immunoassay method and is appropriate for most women of reproductive age where oestradiol levels are moderate to high. The oestradiol LCMS test uses mass spectrometry, which is more accurate when oestradiol levels are very low — such as in post-menopausal women, men, or children. If standard immunoassay results seem inconsistent with symptoms, your practitioner may request the LCMS version.
  • Yes. Men produce small amounts of oestradiol through the conversion of testosterone, and it plays an important role in bone health, libido, and erectile function. Elevated oestradiol in men can be associated with gynaecomastia (breast tissue development), reduced fertility, and sexual dysfunction. A practitioner may request this test as part of a male hormone panel.
  • Yes. Oestrogen-containing contraceptives, hormone replacement therapy, and other oestrogen medications will directly raise your serum oestradiol level. Always tell your practitioner what medications and supplements you are taking before this test so the result can be correctly interpreted.
  • A low early-cycle oestradiol combined with an elevated FSH can be a sign of diminished ovarian reserve or premature ovarian insufficiency. However, a single measurement is not conclusive on its own. Your practitioner will interpret the result in the context of your AMH, antral follicle count, FSH, and clinical history before drawing any conclusions.

Dr. Vu Tran
Bloody Good’s Chief Medical Officer

Biomarker Tested

How to prepare

No fasting is required. Eat and drink normally beforehand.

Timing within your menstrual cycle matters for this test. If you are being investigated for ovarian reserve or fertility, collection is typically done on day 2 or 3 of your cycle (where day 1 is the first day of full flow). For menopause assessment or in men, timing is less critical. Your practitioner will advise when to have this test done.

If you are taking oestrogen-containing medications or hormone therapy, let your practitioner know — these will directly affect your result. A healthcare professional will take a blood sample from a vein in your arm.

After the test

Share your results with your GP, gynaecologist, endocrinologist, or fertility specialist. Oestradiol is rarely interpreted alone — your practitioner will typically look at it alongside FSH, LH, AMH, and progesterone to build a full hormonal picture.

If you are investigating menopause or fertility, your practitioner will guide next steps based on your complete hormone profile and symptoms.

Your test results will be available in your private dashboard. If there are any urgent issues, we'll let you know so you can follow up with your health professional.

Understanding results

Results are reported in picomoles per litre (pmol/L). Reference ranges vary significantly by sex, age, and phase of the menstrual cycle — your result report will include the applicable range.

In women of reproductive age, oestradiol fluctuates throughout the cycle, peaking just before ovulation. Low oestradiol on day 2 or 3 may indicate diminished ovarian reserve or premature ovarian insufficiency. Persistently high oestradiol can be associated with ovarian cysts, endometriosis, or certain ovarian conditions. After menopause, oestradiol is expected to be very low.

In men, mildly elevated oestradiol can be associated with obesity, liver disease, certain medications, or conditions affecting testosterone conversion.

Your practitioner will interpret this result in the context of your cycle day, symptoms, other hormone markers, and clinical picture.

Testimonials

What Our Customers Say

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Average Rating
5,500+ Customers Tested
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Adam O. ACT

Simple health checks in my control

I didn't know that private blood tests were an option. Tried this platform as the packages suited what I wanted for a good price. Easy to follow instructions, and super quick results. Platform provides more information than my gp's ever have on the tests and what the results meant. Would like more clinics to be able to test at (specifically Capital Pathology) but there is a decent network. Will continue to use.

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Wayne S. NSW

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Quick access to blood tests

BLOODY GOOD is a very efficient route to access blood testing for a visitor outside the Australian health system. It is quick with the necessary referral and documentation, and quick with results. Thank you

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Frequently bought together

Frequently Asked Questions

Most collection centres accept walk-ins. Some may require a booking - check details when you click on your chosen location.

If your test needs fasting, we’ll include that in your instructions after you order. Fasting usually means no food for 8–12 hours, but water is fine.

Just your pathology referral form (we email it to you)

Of course. Just maybe don’t bring the friend who faints at the sight of blood.

They’re the highly trained professionals who take your blood sample - with a steady hand and a sharp needle. They love blood, but don’t worry… they’re not vampires. Just legends who make blood tests quick, clean, and (almost) painless.

Some of our tests include Urine, Stool, Saliva and more. Each test will have a clear description on what sample you will need to give and instructions on how.