What is Progesterone?
the second half of the female cycle
Progesterone rises after ovulation and prepares the uterus for possible pregnancy. The value is used to confirm ovulation and assess fertility.
Testing is usually done in the luteal phase, about 7 days before the next expected period.
Test facts
- Unit
- nmol/L
- Sample
- Serum
- Fasting
- No fasting needed
- Turnaround
- 2 days
What does low Progesterone mean?
Low progesterone in the luteal phase can suggest absent ovulation.
What does high Progesterone mean?
High values are normal in pregnancy and the luteal phase.
Panels that measure Progesterone
- Female Hormones
- Hormone+
- Perimenopause
- Pre-Conception
More markers in the same area
Launching in Stockholm in 2026.
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This is general information about the marker, not an assessment of your values and not medical advice. Last updated: May 2026.