... home easily LH Ovulation Rapid Test We, Nantong Diagnos Biotechnology Co.,ltd, supply kinds of rapid test kits. We have 3 formats for LH test: strip ... , cassette/card, midstream/pen. Below, pls see more about the LH Ovulation Test.About the sizes, we ... , 5.5mm and 6.0mm for midstream.INTRODUCTIONThe One Step LH Urine Ovulation Test is fast and easy to use. It is a ...