---Clarity: Unbeatable solid tests lines on a clean white background, perfect for women with PCOS, irregular cycles, multiple surges, or hard-to-recognize surges. ---Easy: Bold, dark control line with stark contrast to test line; no second-guessing. ---Undeniable surge: Included chart eliminates the need to compare test line to control line. Provides actual LH level range for increased accuracy to pinpoint your place in the cycle. ---Beyond LH surge: See the map of your monthly LH fluctuations. Know your body better. ---Additional value with FREE Premom App: digital reader, visual charting, and accurate prediction.