pregmate 20 digital ovulation tests predictor kit (20 count) pregmate pregmate digital ovulation tests detect levels of luteinizing hormone (lh) in urine.<br> increase your chance of pregnancy with accurate ovulation prediction.<br>identify the best time to conceive.<br>know your most fertile days with pregmate ovulation predictor kits.<br>predict your fertility window. get pregnant faster.<br><br>lh (luteinizing hormone) is one of the hormones produced by the pituitary gland. it is secreted at very low levels throughout your menstrual cycle. once a developing egg follicle reaches a certain size, lh secretion surges to high levels. this hormone surge is what triggers ovulation about 24 to 48 hours later. your lh surge is important because it initiates the beginning of ovulation.<br><br>ovulation is the release of a mature egg from the ovary. it signals the beginning of your fertile period. a positive result indicates the presence of a high amount of luteinizing hormone or lh surge. the amount of lh in your body will begin to decrease after ovulation, so you’ll only get a positive result during that period.<br><br>how to do the test?<br><br>insert the test stick into the reader and dip the tip into the urine for 15 seconds. within 3 minutes the display will show your result.<br><br>how to read the results?<br><br>positive: if your result is yes+ you have detected your lh surge.<br>negative: if your result is no- you have not detected your lh surge.