Estradiol / Estrogen E2 Hormone - Serum
Also Known As
Test Parameters Included
- Serum Estradiol (E2) Concentration: * Measures the absolute picogram amount of estradiol per milliliter (pg/mL) in your bloodstream. This score serves as the baseline clinical threshold for reproductive and metabolic assessments.
- Pathologist Remark / Note: * A comprehensive clinical note mapping your exact E2 levels against your specific gender, age, or menstrual cycle phase (Follicular, Mid-cycle, Luteal, or Postmenopausal), as normal reference thresholds change continuously.
Department
Methodology
Sample Required
Preparation
Schedule Report
24 Hours
Emergency Report
Yes
Frequently Asked Questions
Why does the Estradiol report take 24 hours?
Automated chemiluminescence hormone tracking requires multi-stage incubation, microparticle washing, and luminescent calibration to ensure absolute picogram accuracy before a pathologist signs off.
Why does the day of my menstrual cycle matter for this test?
Estradiol levels do not stay flat; they rise and fall sharply across the month to trigger ovulation. Testing on the wrong day can make a perfectly normal level look falsely low or high.
What is the difference between E1, E2, and E3 forms of estrogen?
E1 (Estrone) is the primary estrogen after menopause; E2 (Estradiol) is the strongest, active form during reproductive years; E3 (Estriol) is a specialized estrogen produced heavily during pregnancy.
Can high biotin supplements change my estradiol result?
Yes. Many high-dose hair and nail vitamins contain biotin, which can interfere with the chemiluminescence (CLIA) machinery, causing your true estradiol levels to look falsely elevated or suppressed. Pause biotin for 48 hours before testing.
Does a low estradiol level explain hot flashes?
Yes. During menopause, as estradiol levels drop, the temperature-regulating center in the brain becomes highly sensitive, triggering sudden hot flashes and sweating.
Can men have high estrogen?
Yes. If a man has excess body fat, an enzyme called aromatase in the fat tissue rapidly converts his male hormones into estradiol, which can lead to fatigue or gynecomastia.
Do I need to be fasting to take an E2 test?
No, fasting is not required for a standalone estradiol test. You can have your sample drawn at any time of the day.
Can oral contraceptives alter my report?
Yes, birth control pills suppress your natural ovarian production of hormones. Testing while on the pill will show very low, suppressed estradiol levels.
What is the link between estradiol and bone health?
Estradiol plays a protective role in keeping bones strong. When E2 levels drop permanently after menopause, bone breakdown accelerates, increasing the risk of osteoporosis.
Can stress cause a drop in estradiol levels?
Yes. Severe physical or emotional stress can disrupt the signaling track between the brain and ovaries, shutting down normal estrogen production and causing skipped periods.
Why is Chemiluminescence (CLIA) the standard for hormone testing?
CLIA offers a incredibly wide analytical range and can measure tiny, minute fractions of hormones with high clinical reproducibility.
Is this test used to confirm pregnancy?
No, estradiol rises during pregnancy, but a Beta-hCG blood test is the definitive tool used to confirm pregnancy.
Can liver issues cause high estradiol levels in men?
Yes. The liver is responsible for breaking down and clearing excess estrogen. If liver function drops due to cirrhosis, estradiol builds up in the blood.
How can I download my secure final report?
As soon as your report is finalized by our pathology team, it is uploaded directly to www.drpatholab.in, where you can securely access and download it using your registered details.
Are my hormonal diagnostic profiles kept confidential?
Absolutely. We implement strict medical confidentiality laws and encrypted laboratory tracks to ensure your personal health records remain completely private.
Test Description
Test Code
E14
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