... Oem package is available 4 Use at home easily LH Ovulation Rapid Test We, Nantong Diagnos Biotechnology Co., ... qualitative test that can predict when there is a LH (luteinizing hormone) surge, and in turn, when ... Do not use first morning urine samples as LH is synthesized in your body early in the morning ... the control band. This means there is no LH surge.Ø LH Surge: If two color bands are visible, and ...