Quick Reference
- Full form
- Luteinizing Hormone
- Sample type
- Blood
- Fasting
- Not required
- Marker measured
- 1
- Report turnaround
- Same day
- Available at
- All locations
About LH (Luteinizing Hormone)
LH plays a key role in ovulation and reproductive health for women, and testosterone production in men. Testing it helps investigate fertility concerns, irregular periods, and hormonal imbalances.
No fasting is required, though your doctor may specify a particular cycle day for women. Results are available the same day.
How to Prepare
- No fasting required.
- Your doctor may recommend a specific day of your cycle for women.
Frequently Asked Questions
What is LH testing used for?
It helps investigate fertility concerns, irregular periods, and hormonal imbalances in both men and women.
Do I need to fast before this test?
No fasting is required.
Why does cycle day matter for women?
LH surges around ovulation, so your doctor may specify a particular day for the most useful reading.
Is this test used for men too?
Yes, LH also plays a role in testosterone production in men and can be checked for fertility or hormonal concerns.
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.