What's this test for?

This test is ideal if you're experiencing irregular periods, difficulty getting pregnant, unexpected menopausal symptoms, or concerns about hormone imbalance. It measures the active form of estrogen in your body that's not bound to proteins, giving a clearer picture of how much estrogen is actually available to your tissues. Many women use this test when they're investigating fertility issues, tracking hormone therapy effectiveness, or trying to understand symptoms like mood swings and low libido.

What happens after I get my results?

You'll receive detailed doctor notes in simple language explaining what your free estradiol levels mean for your reproductive health, menstrual cycle, and overall hormone balance. These notes include personalized recommendations like lifestyle adjustments, supplement suggestions, or whether you should discuss hormone therapy with your doctor. You'll also get the standard lab report and can track your hormone levels over time using our trends feature to see how interventions or life changes are affecting your hormonal health.

What's included in this test?

This test measures Free Estradiol, which is the unbound, biologically active form of estrogen circulating in your bloodstream. Unlike total estradiol tests that measure both bound and unbound hormone, this test shows exactly how much estrogen is available to interact with your body's tissues and cells. This provides more precise insight into your actual hormonal activity, which is especially important for fertility evaluation, hormone replacement monitoring, and understanding symptoms related to estrogen imbalance.

How should I prepare for this test?

No special preparation is needed for this test—you don't need to fast beforehand. However, timing can matter for accurate results: if you're menstruating, your doctor may recommend testing on a specific day of your cycle depending on what they're investigating. If you're taking hormone medications or birth control, let your healthcare provider know as they may want to adjust when you test.

Who should consider getting this test?

This test is valuable for women experiencing fertility challenges, irregular or absent periods, or unexplained symptoms like hot flashes and mood changes. It's also important for those on hormone replacement therapy who need precise monitoring, women with PCOS or other hormonal conditions, and anyone investigating symptoms of estrogen dominance or deficiency. Women going through perimenopause or menopause may also benefit from understanding their active estrogen levels.

What symptoms indicate I may need this test?

Common signs include irregular or missed periods, difficulty conceiving, unexplained mood swings or anxiety, low sex drive, and vaginal dryness. You might also experience hot flashes, night sweats, breast tenderness, or changes in skin and hair quality. Some women notice brain fog, sleep disturbances, or changes in their weight distribution that could be related to estrogen imbalance.

How can I naturally support healthy estrogen levels?

Maintaining a healthy weight through balanced nutrition and regular exercise helps regulate estrogen production and metabolism. Include plenty of cruciferous vegetables like broccoli and cauliflower, which support healthy estrogen breakdown, and fiber-rich foods to help eliminate excess estrogen. Managing stress through yoga or meditation, getting 7-8 hours of quality sleep, limiting alcohol, and reducing exposure to endocrine-disrupting chemicals in plastics and personal care products can all help maintain hormone balance.

What is free estradiol and why does it matter?

Free estradiol is the portion of estrogen that circulates unbound to proteins in your blood, making it immediately available to your cells and tissues. While most estradiol travels bound to proteins like SHBG (sex hormone binding globulin), only the free form is biologically active and can enter cells to affect mood, fertility, bone health, and other functions. Measuring free estradiol gives a more accurate picture of your actual hormonal activity than total estradiol, especially if you have conditions affecting binding proteins.

What does high free estradiol mean?

Elevated free estradiol can cause symptoms like heavy periods, breast tenderness, mood swings, and weight gain, particularly around the hips and thighs. High levels may be related to conditions like estrogen dominance, certain ovarian tumors, obesity (which increases estrogen production in fat tissue), or thyroid issues. It can also indicate problems with how your body is breaking down and eliminating estrogen, which may require dietary or lifestyle adjustments.

What does low free estradiol mean?

Low free estradiol can result in irregular or absent periods, difficulty getting pregnant, hot flashes, night sweats, vaginal dryness, and low libido. It may indicate approaching menopause, ovarian insufficiency, excessive exercise or low body fat, chronic stress, or certain medical conditions affecting the ovaries. Low estradiol can also impact bone density over time, making it important to address if levels remain consistently low.

Getting your blood test with us is easy, private & backed by the power of science.Long story short: In the test options, use the filters or search box to narrow your choices and find the test you want. If you need a hand navigating through options, text our super friendly support team at 754-799-7833, and we'll provide tailored suggestions to help you find the ideal test. Once your order is placed, we’ll create your doctor’s lab order remotely, without any need for you to make a trip to a doctor in person or to talk to the doctor. Expect to receive your doctor’s lab order right in your inbox. It will also be in your patient portal if you need to find it later. We’ll also include instructions regarding fasting and other requirements for your test. Your patient portal will be auto-created hassle-free during checkout. If this is your first time ordering, you'll be prompted to create a password for instant login access to your patient portal. It's a quick way to conveniently access your orders and results whenever you want. When you’re ready, visit one of our 4,000 locations. Just bring your ID – no printing or faxing of your lab order is needed, as your order and details will already be in the lab system. Note that most lab locations don’t accept walk-ins, so it’s best to book an appointment in advance. Don’t worry – we’ll provide detailed instructions along the way. You’ll get your results via email & SMS and dive into understanding your body better. Yup, that easy! If you have any questions, please text us at 754-799-7833 or email support@privatemdlabs.com and we'll gladly help you.

How do I know which test to get?

In the test options, find the test you want. If you’re not sure which test to get, we can lend a hand in finding the right option. Just text or call us at 754-799-7833, email us at support@privatemdlabs.com, and we'll gladly help you. We've got your back and reply quickly.

When will my lab results be available?

Most test results will be available within 1–3 business days. Once they're ready, we'll send an email and text message to let you know. After your blood draw, just hang tight and don't worry – we'll keep you updated and in the loop! If you have any further questions, please text us at 754-799-7833 or email support@privatemdlabs.com, and we'll gladly help you.

Is it possible to make changes to my lab order if I made a mistake with the name, date of birth, or any other details?

Absolutely! We totally understand that errors can happen. No worries, we're here to help you. Just reach out to us via text at 754-799-7833 or shoot us an email at support@privatemdlabs.com. Remember to include your order number and let us know the correct information you’d like to update. Our awesome team will jump right in and make sure everything is sorted out and accurate for you. There are no changes necessary if your address is wrong on the requisition though. We don’t mail anything out. Our lab requires an address to be listed to generate an order.

Do you accept health insurance?

Only HSA & FSA is accepted. Our services are strictly self-pay and cannot be submitted to your health insurance provider except for Health Savings Accounts or Flexible Savings Accounts. This policy applies to all insurance companies, including federal health insurance programs like Medicare. If you have any questions, please text us at 754-799-7833 or email support@privatemdlabs.com.

Can I cancel my order?

Yes. We get it – sometimes your needs change. As long as your samples haven’t been collected yet, we’re happy to help you cancel your order. If you have any further questions, please text us at 754-799-7833 or email support@privatemdlabs.com. You can read more about our cancellation policy here.

How can I find a lab location near me?

During the ordering process, you’ll be able to select a specific lab near you, with no strings attached! You can switch it up later easily and visit any of our authorized locations as long as it’s the same lab company you selected your test for (Quest Diagnostics or Labcorp). Before you proceed with your order, feel free to browse through all our lab locations here. This will give you the peace of mind of knowing that there's a lab nearby your home, office or your favorite gym. If you have any questions, please text us at 754-799-7833 or email support@privatemdlabs.com and we'll gladly help you.

Free Estradiol Test - Hormone & Fertility Check

Getting your blood test with us is easy, private & backed by the power of science.

Long story short:

In the test options, use the filters or search box to narrow your choices and find the test you want.
If you need a hand navigating through options, text our super friendly support team at 754-799-7833, and we'll provide tailored suggestions to help you find the ideal test.
Once your order is placed, we’ll create your doctor’s lab order remotely, without any need for you to make a trip to a doctor in person or to talk to the doctor. Expect to receive your doctor’s lab order right in your inbox. It will also be in your patient portal if you need to find it later. We’ll also include instructions regarding fasting and other requirements for your test. Your patient portal will be auto-created hassle-free during checkout.
If this is your first time ordering, you'll be prompted to create a password for instant login access to your patient portal. It's a quick way to conveniently access your orders and results whenever you want.
When you’re ready, visit one of our 4,000 locations. Just bring your ID – no printing or faxing of your lab order is needed, as your order and details will already be in the lab system.
Note that most lab locations don’t accept walk-ins, so it’s best to book an appointment in advance. Don’t worry – we’ll provide detailed instructions along the way.
You’ll get your results via email & SMS and dive into understanding your body better. Yup, that easy!

754-799-7833

[email protected]

Estrogen Test for Irregular Periods and Hormone Imbalance

Estradiol, Free

90 day happiness guarantee

Prescription & fees included

Easy to understand results

Fast & convenient

90 day happiness guarantee

Prescription & fees included

Easy to understand results

Fast & convenient

What's this test for?

How should I prepare for this test?

What's included in this test?

Here’s why 1,000,000+ customers chose us for affordable hassle-free private blood testing.

Estrogen Test for Irregular Periods and Hormone Imbalance

90 day happiness guarantee

Prescription & fees included

Easy to understand results

Fast & convenient

1,000,000+ blood tests later, here's what our customers say