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Picture 1 of 15
Clearblue Advanced Digital Ovulation Test 20 Count
Price:
AU $59.83
Free postage
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A surge in LH occurs 24-36 hours before ovulation and is what causes the egg to be released ready to be fertilised. Over 99% accurate at detecting the LH surge before ovulation. Hormones are a more accurate predictor of ovulation than basal body temperature.