

Purpose:
Detects luteinizing hormone (LH) surge in urine to predict ovulation (24-48 hours in advance).
For fertility tracking (not contraception).
Sensitivity:
Typically 25 mIU/ml LH (industry standard).
Accuracy:
99% when used correctly.
Contents:
Individually foil-wrapped test strips.
Desiccant packet (if multi-strip kit).
Instructions leaflet (critical for compliance).
Test Window: Best between 10AM - 8PM (avoid first morning urine).
Dip Time: 5 seconds in urine stream/cup.
Read Time: 10 minutes (discard after 15 minutes).
| Result | Appearance | Meaning | 
|---|---|---|
| Negative | Control line only (or test line lighter than control) | No LH surge detected. | 
| Positive | Test line = or darker than control | LH surge detected. Ovulation likely in 24-48 hrs. | 
| Invalid | No lines/faint control line | Test error. Repeat with new strip. |