Progesterone Concentrations, Serial Testing
How to read a progesterone report!
Your guide 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.
Source: Idexx
|
Phase |
Progesterone concentration |
Recommended action |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Anestrus/ proestrus |
<1.0 ng/mL |
 |
Retest in 2–4 days |
 |
 |
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|
Pre-LH* surge |
1.0–1.9 ng/mL |
 |
Retest in 2–3 days |
 |
 |
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|
LH surge |
2.0–3.0 ng/mL |
 |
Retest in 1–2 days |
 |
 |
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|
Post-LH surge/ preovulation |
3.1–4.9 ng/mL |
 |
Retest in 1–2 days |
 |
 |
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|
At or near ovulation |
5.0–12.0 ng/mL |
 |
Determine breeding schedule |
 |
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