VetConnect PLUS screenshot of progesterone results for dog named Jenny Appelby

Catalyst Progesterone

Get reliable, quantitative results to predict canine ovulation

  • Share results during the visit. From whole blood to results in 12 minutes.
  • Count on precision and accuracy. Excellent correlation (r = 0.98) with the reference method.
  • Easily identify progesterone surges. Graph results and spot trends quickly using VetConnect PLUS.
     

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How to run Catalyst Progesterone

 

Running progesterone on a Catalyst One Chemistry Analyser

  1. Enter the sample information on the IDEXX VetLab Station.
  2. Load the slide, sample, and reagent.
  3. Close the sample drawer and press the Start button on the analyser.

Download the quick reference guide

 

Running progesterone on a Catalyst Dx Chemistry Analyser 

  1. Enter the sample information on the IDEXX VetLab Station.
  2. Select the patient and sample type on your Catalyst Dx Chemistry Analyser.
  3. Load your sample and the progesterone slide.
  4. Load the reagent and tap Run on the analyser.

Interpretive guidelines to serial monitoring with Catalyst Progesterone

Get reliable, quantitative results to predict canine ovulation and estimate optimal fertility.

Ovulation and time of optimal fertility can be estimated by observing a distinct rise in progesterone concentrations, which is best identified with serial testing.

Phase

Progesterone concentration

Recommended action

Anestrus/ proestrus

<1.0 ng/mL
(<3.2 nmol/L)

Retest in 2–4 days

 

Pre-LH* surge

1.0–1.9 ng/mL
(3.2–6.3 nmol/L)

Retest in 2–3 days

 

LH surge

2.0–3.0 ng/mL
(6.4–9.5 nmol/L)

Retest in 1–2 days

 

Post-LH surge/ preovulation

3.1–4.9 ng/mL
(9.6–15.8 nmol/L)

Retest in 1–2 days

 

At or near ovulation

5.0–12.0 ng/mL
(15.9–38.2 nmol/L)

Determine breeding schedule

 
  • Obtain a baseline measurement of progesterone and vaginal cytology at first signs of heat.
  • Increase frequency of progesterone testing when 75% of cornified superficial cells are noted on vaginal cytology (typically 3–4 days after a bloody vulvar discharge is noted).
  • Confirm a definitive and continued rise above 5.0 ng/mL to assess time of ovulation.
  • Determine breeding schedule based on desired method of insemination and semen type.
     

Important note: The above are guidelines, and individual dogs may vary. Progesterone is best used in conjunction with other monitoring techniques, such as observation of clinical signs, vaginal cytology, vaginoscopy, ultrasound, and additional hormonal testing.

Performance

Dr. Graham Bilbrough’s white paper provides details about the correlation of Catalyst Progesterone to the reference method and the test’s precision in the range of clinical interest.

Read the white paper

Dr. Graham Bilbrough and a Catalyst slide

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*LH is luteinizing hormone.

Credit available for unopened tests in the form of a discount on a replacement order or as IDEXX Points credited to your account, at IDEXX discretion.