Add a female to start tracking progesterone.
Add femaleResult
Test Again
Day 9•— ng/mL•IDEXX
Recommended
Log a progesterone result to get breeding guidance.
Start testing on Day 5–6 of heat.
Progression
LH SurgePending
OvulationPending
Breed WindowPending
Frozen WindowPending
Progesterone History
0 loggedNo readings yet. Log one above.
Fresh AI
~2d after ov.
TCI
~2d after ov.
Surgical
~3d after ov.
IDEXX Reference Levels
ng/mLToo Early< 1.5
LH Surge / Rising1.5–2.5
Ovulation4.5–5.5
Just After Ovulation6–7.9
Early Breed Window8–10
Optimal Breed Window10–14
Late Breed Window14–17
Frozen / Surgical17–20
Past Primary Window> 20