Progesterone

Indication for testing

Assessment of ovulation during fertility investigations.

Sampling requirements

Samples should be taken in the mid luteal phase, 7 days prior to the start of menstrual period e.g. on day 21 of a 28‑day cycle, or on 28 of a 35‑day cycle.

If cycles are irregular or prolonged consider measuring progesterone on a weekly basis until the onset of menses.

Please state day of cycle on the request card if known.

Interpretation

Serum progesterone  >30 nmol/L is good evidence of successful ovulation.

  

Other Comments:

For more information, please see: Progesterone - Lab Tests Online

See also: FSH, LH, Oestradiol, hCG

Last updated: Tuesday 22nd February 2022

About This Test

Department: Biochemistry

Requirement:

  • Clotted serum (red top)

Add-on requests are accepted

Turnaround Time:

Within 24 hours