Quick Reference
- Full form
- Estrogen (Estradiol)
- Sample type
- Blood
- Fasting
- Not required
- Marker measured
- 1
- Report turnaround
- Same day
- Available at
- All locations
About Estrogen (Estradiol)
Estradiol is the main form of estrogen, and testing it helps assess reproductive health, menstrual irregularities, fertility treatment planning, and menopause status.
No fasting is required, though your doctor may specify a particular cycle day for the blood draw. Results are available the same day.
How to Prepare
- No fasting required.
- Your doctor may recommend a specific day of your cycle for testing.
Frequently Asked Questions
What is estradiol testing used for?
It helps assess reproductive health, menstrual irregularities, fertility treatment planning, and menopause status.
Do I need to fast before this test?
No fasting is required, though timing within your cycle may matter for interpretation.
Why does cycle day matter for this test?
Estradiol levels naturally fluctuate throughout the menstrual cycle, so your doctor may specify when to test for accurate interpretation.
Is this test used for men too?
Yes, though less commonly, it can be used to investigate hormonal imbalances in men as well.
How soon will my report be ready?
Same day.
Is home sample collection available?
Yes, in all City Care Lab service areas.
This page provides general health information and is not a substitute for medical advice. Speak with your doctor about your specific results and treatment.