Reviewed: 13. Juli 2026
E2 Estradiol
Unit: pg/ml
Quick Explanation
Estradiol is the most important female sex hormone and fluctuates strongly during the cycle, pregnancy, and menopause. Low values can indicate menopause or an ovarian dysfunction; the reference range depends heavily on cycle phase and age.
📊 Reference Values
ℹ️ Reference ranges may vary slightly between laboratories. Always compare your value with the reference range from your own lab report.
🔍 Possible Causes
Value too high — possible causes
- ·Certain cycle phases (e.g. ovulation)
- ·Pregnancy
- ·Estrogen-producing tumors (rare)
Value too low — possible causes
- ·Menopause
- ·Ovarian dysfunction
- ·Significant weight loss or competitive sports
This list shows possible causes — not a diagnosis. Only your doctor can correctly interpret your result.
🩺 Questions for Your Doctor
- →Does my estradiol value match my current cycle phase or life stage?
- →Should other hormone values be measured?
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Medical Disclaimer
The content on this page is for general information only and does not replace professional medical advice, diagnosis, or treatment. Always consult your doctor or pharmacist for health-related questions. Lab values should always be assessed in the context of your personal medical history.