CLEARBLUE Digital Ovulation Test 10pk Body Care ring the Poisons Information Centre practitioner only ring the Poisons Information Centre 0800 764 766 or go to a hospital straight away even if you feel well because of the risk of delayed it always pays to read the label and check that they aren’t mixed with other chemical nasties such as petrochemicals More accurate than calendar and temperature methods at predicting the most fertile days1 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)