LH

The result was positive when the concentration was not less than 25 mIU/mL.

Negative: One purple-red line (QC line C) or two purple-red lines (QC line C and T line) appear in the test area, but the T line is weaker than the C line, indicating that the urine LH level is lower than 25 mlU/ml, and has not yet reached the peak value judgment criteria;

Positive: two purple-red lines appear in the test area (quality control line C and detection line T), and the color of the T line is equal to or stronger than that of the C line, indicating that the level of LH in urine is equal to or higher than 25 mlU/ml. ovulation is imminent in the next 24-48 hours;

Invalid: no purple-red line appears in the test area or only one purple-red line appears (test line T line), indicating that the test has failed or the test card is invalid, and the test should be retested.