Clearblue Fertility Monitor Test Sticks offer a reliable way to track fertility hormones. These simple urine tests work with the Clearblue Fertility Monitor, which now features an easy-to-use touch screen. Together, they help identify up to six fertile days each cycle, providing a great opportunity to increase your chances of getting pregnant naturally. The Clearblue Fertility Monitor is the most advanced at-home tool available for this purpose, using patented technology to monitor two key hormone levels: LH and E3G. Designed for women with menstrual cycles between 21 and 42 days, these test sticks enhance your fertility journey, making it easier and more efficient to plan for conception.