The Core One-Step LH Test is a rapid chromatographic immunoassay for the qualitative detection of luteinizing hormone (LH) in urine to aid in the detection of ovulation. It is a complete system to help predict the time of ovulation and peak fertility. It is during this fertile time that pregnancy is most likely to occur. And it detects the LH surge in urine, signaling that ovulation is likely to occur in the next 24-36 hours. It can apply to professional and IN VITRO diagnostic use. Specimen: urine Specification: cassette, strip,midsrream Feature: safe, ,rapid, accurate,easy to use, easy to read,high sensitivity, lower price and higher quality. Not any apparatus, not any denger, not expensive and only several minutes.