progesterone (eclia)
Reproductive EndocrinologyBlood sampleResults 2-3 daysNo fasting
Progesterone (ECLIA)
Progesterone is a hormone that supports the menstrual cycle and early pregnancy. This test measures its level in your blood.
Sample
Blood
Results
2-3 days
Fasting
Not required
Follow-up
Optional add-on
What this test detects
Progesterone
ECLIA · serum
Quantitative · ng/mL
When to get this test
Ovulation check
Helps confirm whether ovulation has taken place, usually checked in the second half of the cycle.
Fertility work-up
Part of evaluating cycle function and fertility concerns.
Menstrual irregularity
Useful when periods are irregular or absent.
How to prepare
01
Your provider may ask for sampling on a specific day of your menstrual cycle.
Common questions
When is progesterone usually checked?
It is often measured in the second half of the cycle, when levels rise after ovulation. Your provider will tell you the best day.
What does progesterone tell me?
A rise in progesterone suggests that ovulation has occurred, which is helpful information in a fertility assessment.