When do you start using ovulation tests?

Last, determine the day to start testing. Starting from and including the first day of the last period, count ahead the number of interval days. Generally, it is recommended to conduct the test once a day for 5 days.
 

Principle
Luteinizing Hormone(LH)OvulationTest Kit based on the principle of colloidal gold labeling technique and immune chromatography of double-antibody sandwich method.

Product Specifications
Strip: 1 test/box,5 tests/box,25 tests/box,100 tests/box;
Cassette: 1 test/box, 5 tests/box,40 tests/box;
Midstream: 1 test/box,20 tests/box


Test Procedure

NOTE:
Sampling:
Result Interpretation

Positive (+): Two red lines are visible. One is located in the test line region (T), and the other is in the control line region (C). And the line in the test line region (T) is the same as or darker than the one in the control line region (C). It indicates probable ovulation in 24-48 hours.
Negative (-): One or two red lines are visible. One is located in the test region (T), and the other is in the control region (C). And T line is lighter than the C line, or there was no T line. lt indicates that no LH surge has been detected.
Invalid: There is no red line in the control region(C). Incorrect operation or the product has been damaged are the most likely reasons. Please repeat the test with a new test. f the problem still exists, should stop using the product immediately and contact local suppliers.

Product Precautions
1. This reagent is only for single use
2. Never use frozen, expired, aluminum foil bags, damp products, and contaminated urine samples.
3."One person, one sample, one tube" to avoid cross-contamination and avoid direct hand touching the observation window area.
 

More information for reference