The Clearblue Digital Ovulation Test helps you maximise your chances of conceiving naturally by identifying your 2 most fertile days each cycle by measuring the changes in level of a key fertility hormone – luteinising hormone (LH). Easy to read – no lines to interpret, with its digital display. Over 99% accurate. Clearblue is the most effective ovulation test on the market, with results in just 3 minutes. 20 Tests – 3 months cycle
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