Product Description "Trying for a baby? Then knowing your most fertile days each cycle is a must. The Clearblue Fertility Monitor with Touch Screen (Monitor de fertilidad Clearblue con pantalla tactil) is designed to detect all your fertile days[2], so you can maximize your chances of getting pregnant naturally. The Clearblue Fertility Monitor with touch screen is easy to use and is proven to increase the chance of getting pregnant naturally by 82%[1]. It reads simple urine tests to detect both estrogen and luteinizing hormone (LH). The monitor stores your personal fertility information, adapts to your unique cycle, and displays your daily fertility status as Low, High, or Peak. It tells you when you need to test, has a reminder alarm, allows you to record your period dates as well as when you have sex, and can compare 6 cycles on 1 screen in either a monthly calendar or graph for side-by-side comparison[4]. [1] In the first cycle of use vs not using the Clearblue Easy Fertility Monitor. Study of 991 women in the US (2002) [2] Number of fertile days will vary. In a German study of 149 cycles, Monitor results correlated with serum hormone levels & ultrasound-observed ovulation. [3] Clearblue Ovulation assay showed 97% agreement with ultrasound-observed ovulation. Behre HM., et al. Hum Rep (2000) 15: 2478-82 [4] Completed cycle data if available." Brand Story By Clearblue