Description: Details: The LH (Luteinizing Hormone) which is in the urine of normal women will increase dramatically in the middle of the menstrual cycle. The LH increase triggers ovulation which is when the egg is released periodically from normal fertile women. WHO experts state that LH testing is a reliable way to detect ovulation. Ovulation will occur after 24-48 hours following a positive test. One Step Ovulation Urine Test is a rapid qualitative immunochromatographic assay to predict when there is a LH surge, and in turn, when you are likely to ovulate. The test unitizes the double antibody sandwich method Characteristic: Over 99% accuracy Simple to use