The requisition slip says “E2” or “Serum Estradiol”. Maybe your gynaecologist added it to a hormone panel. Maybe you started an oestrogen patch three months ago, the hot flushes have eased but not gone, and you wondered whether a blood test would show if the patch is doing its job. Either way, a few days later there is a number on a report, a reference range beside it that does not seem to match anything you read online, and very little explanation.
This post explains what the estradiol test costs in India, what the number on your report means at different stages, and the situations where the test genuinely helps a decision. It also covers the part that is rarely explained at the lab counter: the questions this test cannot answer, however carefully it is done.
What the Estradiol (E2) Test Measures
Estradiol, written oestradiol in British spelling and abbreviated E2, is the main and most potent form of oestrogen your ovaries make during the reproductive years. The test measures how much of it is circulating in your blood at the moment the sample is drawn.
Two details matter for everything that follows.
First, it is a snapshot. Estradiol changes across a menstrual cycle, changes even more during perimenopause, and on HRT changes with the hours since your last dose.
Second, it measures one oestrogen, not all of them. The British Menopause Society’s 2025 guidance for clinicians points out that after menopause your body has relatively more estrone, a weaker oestrogen the standard test does not report, and that the test cannot tell your own estradiol apart from the estradiol in your HRT (BMS Tool for Clinicians, Measurement of serum estradiol in the menopause transition, July 2025, thebms.org.uk).
Estradiol Test Cost in India (Checked 21 October 2026)
The test is a simple blood draw. No fasting is required at any of the labs below, and all of them offer home sample collection in most cities. We checked each price on the lab’s own website on 21 October 2026.
| Lab | Listed price for standalone estradiol (E2) | Notes from the lab’s page |
|---|---|---|
| Dr Lal PathLabs | Rs 690 | Same price on the Bengaluru, Chennai, Delhi and Mumbai pages (lalpathlabs.com) |
| Metropolis Healthcare | Rs 700 | Main test page; report after about 6 hours (metropolisindia.com) |
| Agilus Diagnostics (formerly SRL) | Rs 600 to Rs 775 | City-dependent: Rs 775 in Chennai, Hyderabad, Bengaluru and Kolkata, Rs 700 in New Delhi, Rs 670 in Mumbai, Rs 600 in Mysuru (agilusdiagnostics.com) |
| Redcliffe Labs | Rs 649 | Discounted from Rs 732 (redcliffelabs.com) |
| Apollo Diagnostics | Rs 700 to Rs 850 | City-dependent: Rs 700 Delhi, Rs 790 Mumbai, Rs 820 Bengaluru and Hyderabad, Rs 850 Chennai (apollodiagnostics.in) |
| Apollo 24/7 | Rs 909 | Shown as a discount on a listed MRP of Rs 2,273 (apollo247.com) |
We could not open Thyrocare’s test page to confirm a current price, so it is left out rather than guessed.
Three practical points before you book:
- Check whether it is already on your requisition. Estradiol often comes bundled with FSH and LH. If your doctor ordered a panel, you may already have a result and not need a second, separate test.
- Prices move. Promotional discounts change often, and home collection charges vary by city. Confirm the final amount for your pin code when you book.
- If you take high-dose biotin, tell the lab. Metropolis’s preparation note for this test asks people taking more than 5 mg of biotin a day to avoid it for at least 8 hours before the blood draw, because biotin can interfere with some hormone assays (metropolisindia.com, test page checked 21 October 2026).
Estradiol Normal Range: Why Your Report Matters More Than Any Chart
Here is something most charts online will not tell you: two reputable Indian labs can print very different “normal” ranges for the same stage of life.
On 21 October 2026, Metropolis’s test page listed these reference ranges:
| Stage | Metropolis reference range (pg/mL) |
|---|---|
| Follicular phase (first half of the cycle) | 12.4 to 233 |
| Around ovulation | 41 to 398 |
| Luteal phase (second half of the cycle) | 22.3 to 341 |
| Postmenopausal | 5 to 138 |
On the same day, Redcliffe Labs’ page described a postmenopausal normal range of 0 to 30 pg/mL (redcliffelabs.com). The same postmenopausal value could fall inside one lab’s range and outside the other’s.
This is not one lab being right and the other wrong. Estradiol is measured with different assay methods, and the Endocrine Society’s position statement on estradiol measurement noted that imprecision and method-to-method differences remain a problem, and that the very low levels seen after menopause are especially hard to measure accurately (Rosner W et al., J Clin Endocrinol Metab, 2013, PMID 23463657). The BMS 2025 tool goes further and advises clinicians not to compare results between different labs.
So, three rules for reading your own number:
- Compare it only with the range printed on your own report.
- If you repeat the test, use the same lab where you can, so the numbers can be compared with each other.
- Check the unit. Indian labs usually report pg/mL. British guidance and many research papers use pmol/L. To convert, multiply pg/mL by about 3.67. So 50 pg/mL is roughly 184 pmol/L.
Why One Reading Says Little in Perimenopause
If you are in your 40s and still having periods, even irregular ones, a single estradiol result is the least reliable kind of hormone result you can have.
During perimenopause, oestradiol does not simply fall. It swings. In a study that collected daily urine samples from women aged 43 and older, Santoro and colleagues found higher overall oestrogen excretion than in younger women, alongside rising FSH and lower progesterone in the second half of the cycle (Santoro N et al., J Clin Endocrinol Metab, 1996, PMID 8636357). The BMS 2025 tool describes estradiol in perimenopause as fluctuating “erratically and dramatically”, sometimes to levels above those of the reproductive years.
What that means in practice: a perimenopausal woman can have a high estradiol one week and a low one three weeks later. A “normal” result does not mean your transition has not started. A low result does not mean you will feel the same next month.
This is why NICE’s menopause guideline lists oestradiol among the tests that should not be used to identify perimenopause or menopause in women aged 45 and over (NICE NG23, recommendation 1.3.4, nice.org.uk). For women in that age group with typical symptoms, NICE advises that perimenopause is identified from new hot flushes plus changes in the menstrual cycle, and menopause from 12 months without a period, without laboratory tests (NG23, recommendation 1.3.1). Where a blood test does help in women aged 40 to 45 or under 40, the hormone NICE names is FSH, not estradiol. Our FSH test guide explains that test, its cost and when it is worth doing.
I am Dr. Suganya Venkat, an OB-GYN with more than 15 years of clinical experience, and in Menolia’s video consultations the estradiol report I see most often belongs to a woman on a patch or gel who is worried the number is “too low”. Usually the more useful question is how she is feeling and how she is using the medicine. If you have an estradiol result and are not sure what it means for you, you can talk it through with me.
Message Dr. Suganya on WhatsApp
Estradiol on HRT: What a Level on a Patch or Gel Can and Cannot Show
This is the situation where the test is most often requested, and where the result is most often misread.
The level depends on timing. In a study of postmenopausal women, estradiol gel produced a peak in blood oestradiol 4 to 5 hours after application, while a patch gave fairly steady levels in the middle of its wearing time but lower levels at the start and end. The same study found large differences between women on the same treatment (Järvinen A et al., Maturitas, 1999, PMID 10465378). The BMS 2025 tool makes the same point: on gel, the result depends on the time from application to the blood draw. A level taken two hours after your gel and one taken just before your next patch change are not measuring the same thing.
Women on the same dose have very different levels. In a UK specialist clinic study of 1,508 women using transdermal estradiol, the spread between women was wide, with a reference interval of about 55 to 2,050 pmol/L, and one in four women using the highest licensed dose had a level below 200 pmol/L (Glynne S et al., Menopause, 2025, PMID 39689249). The authors argue that measurement can help identify women who might benefit from a dose change. The British Menopause Society takes a more cautious view.
The number does not predict how you feel. The BMS 2025 tool states that there is poor correlation between serum estradiol and symptom control, that women respond very differently to the same dose, and that the serum level in an individual woman does not predict the effect of treatment. It also notes there is no known estradiol threshold for protecting bone. Its practical advice to clinicians, when symptoms continue on HRT, is that listening to the woman, looking at the whole picture and changing the delivery route may help more than measuring a level.
On tablets, the test is not useful. If you take an oral estradiol tablet, such as estradiol valerate, much of the dose is converted to estrone in the liver, and the BMS tool states there is no value in measuring serum estradiol in women on oral estradiol. If your HRT is conjugated oestrogen, the standard test does not measure most of what you are taking. Our guide to oral oestrogen tablets like Progynova and Premarin covers those medicines.
On the combined pill, the test is not useful either. The BMS tool also states there is no value in measuring serum estradiol in women using combined hormonal contraception.
If you are on a patch or gel and wondering whether it is working, a symptom diary over a few weeks usually tells you more than a blood test. Our guide on how to tell whether your HRT is working explains how to keep one and what NICE’s three-month review is for. Before anyone considers a level, it is worth checking the basics of how the medicine is applied: the step-by-step guides for the estradiol patch and oestrogen gel cover the common causes of poor absorption.
When an Estradiol Test Does Help
None of this makes the test useless. It answers specific questions well when the question is clear.
Premature ovarian insufficiency (POI). Women whose periods stopped before 40 need oestrogen replacement for long-term health, and may not have strong symptoms to guide the dose. The BMS 2025 tool notes that ESHRE’s guidance on POI advises that measuring estradiol may be helpful where symptom relief is inadequate, bone protection is not being achieved, or there are side effects (BMS Tool for Clinicians, July 2025, thebms.org.uk). Our post on premature menopause explains how POI is diagnosed and treated.
Persistent symptoms on a patch or gel despite correct use. When a woman is applying her transdermal HRT correctly, the dose has been adjusted, and symptoms that are clearly oestrogen-related still have not settled, some doctors use a level to check whether the medicine is being absorbed. The BMS tool is cautious about this: a single level is of uncertain significance, and in perimenopause it is impossible to interpret unless it is very low, because your own ovaries are still contributing.
When your doctor needs it for a different question. Estradiol is also used in fertility treatment and in other hormone investigations. If a specialist has ordered it for one of these reasons, the interpretation belongs to that specialist and that context.
How to Prepare for the Test
- No fasting is needed.
- If you still have periods, your doctor may ask for the sample on a particular day of your cycle. Agilus notes that the test is commonly done on day 2 or 3 of the cycle for accurate interpretation (agilusdiagnostics.com). Ask your doctor which day they want.
- If you use a patch or gel, write down the time of your last gel application or the day you last changed your patch, and share it with your doctor along with the result. Without it, the number is hard to interpret.
- List your medicines, including HRT, contraception and supplements such as biotin.
What to Do With Your Result
If your result is outside the printed range and you are 45 or older with typical symptoms, remember that NICE does not use oestradiol to identify perimenopause or menopause at this age. Bring the report to your doctor along with a description of your cycle changes and symptoms. The decision about treatment rests on those, and on your own priorities.
If you are on a patch or gel and the number looks low, do not change your dose on your own. Note when you last applied it, keep a short symptom diary, and discuss both with your doctor. A low number with good symptom control usually needs no change.
If you are under 40 with irregular or absent periods, the result needs proper follow-up with your gynaecologist, usually including FSH on two occasions, as set out in NICE NG23 (recommendation 1.7.2).
For a broader view of a full hormone report, including FSH, LH and the tests most panels miss, see our guide to menopause blood test results.
What the Estradiol Test Is Called in Hindi and Tamil
Labs across India use the English name, so you can book it in English everywhere. These are the terms women commonly use when searching or asking about it:
| Language | Term used | Meaning |
|---|---|---|
| English (on lab slips) | E2, Serum Estradiol, Oestradiol | The same test |
| Hindi (Roman) | estrogen test | The way most people refer to it |
| Hindi search query | E2 test kya hota hai | What is the E2 test |
| Hindi search query | estrogen test kab karaye | When should I get the estrogen test |
| Tamil (Roman) | estrogen ratha parisothanai | Estrogen blood test (most women simply say “E2 test”) |
Frequently Asked Questions
What is the cost of an estradiol test in India?
On 21 October 2026, the standalone estradiol (E2) test was listed at Rs 690 at Dr Lal PathLabs, Rs 700 at Metropolis, Rs 600 to Rs 775 at Agilus (formerly SRL) depending on the city, Rs 649 at Redcliffe Labs, Rs 700 to Rs 850 at Apollo Diagnostics depending on the city, and Rs 909 on Apollo 24/7. Prices change with offers and by city, so confirm when you book.
What is the normal estradiol level after menopause?
There is no single number. On 21 October 2026, Metropolis printed a postmenopausal range of 5 to 138 pg/mL, while Redcliffe Labs described 0 to 30 pg/mL. Assays differ, so compare your result only with the range printed on your own report, and repeat tests at the same lab where possible.
Can an estradiol test tell me if I am in menopause? (E2 test kya hota hai)
The E2 test measures estradiol, the main oestrogen, in your blood. For women aged 45 and over with typical symptoms, NICE advises against using it to identify perimenopause or menopause, because levels swing widely during the transition. Menopause is identified after 12 months without a period. Under 45, your doctor is more likely to use FSH alongside your cycle history.
My estradiol is low but I am on an HRT patch. Is my patch not working?
Not necessarily. On a patch, the level depends on how long the patch has been on, and women on the same dose have very different levels. The British Menopause Society states that the level does not predict how well treatment controls symptoms. If your symptoms are well controlled, a low number on its own is not a reason to change the dose. If symptoms persist, check how you are applying the patch and talk to your doctor before changing anything.
Should I get my estradiol checked to see if my HRT dose is right?
In most cases, no. The BMS 2025 guidance advises clinicians to manage symptoms rather than a number, and NICE recommends a review three months after starting HRT and then yearly to assess how well it is working. The test can help in specific situations, such as premature ovarian insufficiency or persistent symptoms on a patch or gel despite correct use. Your doctor will decide if your situation is one of them.
Do I need to fast for an estradiol test?
No. None of the major lab chains we checked require fasting. If you take high-dose biotin, Metropolis asks that you avoid it for at least 8 hours before the draw. If you are on a patch or gel, note the time of your last application.
Is the estradiol test useful if I take Progynova or another HRT tablet?
The British Menopause Society states there is no value in measuring serum estradiol in women taking oral estradiol, because much of the dose is converted to estrone, which the standard test does not report. Your doctor will judge a tablet’s effect from your symptoms and review visits.
If you are holding an estradiol report and are unsure what it means for your symptoms, your HRT or your next step, a video consultation with Dr. Suganya Venkat is a practical way to sort it out before booking any more tests.
